2006 Dodge RAM Diesel Owners Manual

both the panel and floor vents depending on the selected mode (panel vs bi-level). NOTE: Selecting a “Recirculation Mode” mode does not necessarily consume more fuel than normal A/C mode. Panel

Outside air flows through the outlets located in the instrument panel.

Bi-Level

Outside air flows through the outlets located in the instrument panel and at the floor.

Floor

Mix

Outside air flows primarily through the floor out- lets located under the instrument panel.

Outside air flows in equal proportions through the floor and defroster outlets, and the air conditioning may be on.

236 UNDERSTANDING YOUR INSTRUMENT PANEL

Defrost

Outside air is primarily directed to the windshield through the defroster outlets located at the base of the windshield, and the demister outlets located at the edge of each side of the instrument panel, and the air conditioning may be on. Blower Control

The rotary knob on the left of the control panel is the blower control. Turn the knob clockwise to one of the four positions to obtain the blower speed you desire. To turn the blower off, turn the knob to the far left posi- tion.

Temperature Control

The rotary knob at the center of the control panel controls the temperature of the interior air. You can choose your degree of comfort by rotating the knob. The coldest temperature setting is to the extreme left (blue region) and the warmest setting is to the extreme

right (red region) of the rotation. Circulation The cab is designed with features to promote outside air circulation. There are grilles in the cab back panel. These are air exhausters that provide the means for regular exchange of cab air.

Side window demisters direct air flow specifically to the window glass to help prevent interior fogging of the glass. They are located in the extreme outside upper edges of the instrument panel. The demisters also pro- vide extra air ducts for circulation. They are in operation whenever the Floor, Mix or Defrost modes are in use. To remove frost from the side windows, it is best to use the full defrost mode. NOTE: When you turn off the engine you may hear a hissing sound from under the hood for a short period of time. This is a normal condition that occurs if the air conditioning system has been on. It is not an indication of a problem with the air conditioning system.

UNDERSTANDING YOUR INSTRUMENT PANEL 237

Electric Rear Window Defroster and Heated Sideview Mirrors — If Equipped

The Electric Rear Window Defroster and Heated side view mirrors are activated by pressing the heated grid button, located on the Climate Control panel, with the ignition On. Turning Off the ignition will deactivate the Electric Rear Window Defroster and Heated side view mirrors feature. These features also turn off after activation, when 15 minutes have elapsed. To reactivate, simply press the button again.

238 UNDERSTANDING YOUR INSTRUMENT PANEL

Air Conditioning with Dual Zone Temperature Control — If Equipped With the Dual Zone Temperature Control System, each front seat occupant can independently control the tem- perature of air coming from the outlets on their side of the vehicle.

Dual Zone Control Head

Air Conditioning and Heating Operation To turn on the Air Conditioning, set the fan control at any speed and press the snowflake button located on the control panel. Conditioned air will be directed through the outlets selected by the mode control. A light in the snowflake button shows that the air conditioning is on. Press the button a second time to turn the air condition- ing off. A/C Pushbutton

With the fan control in the ON posi- tion, pushing the A/C button turns on the air conditioning compressor. An indicator light on the button shows that the Air Conditioning compressor is on. Conditioned air is now directed through the mode outlets selected. Pushing the button a second time turns the compressor OFF.

Recirculation Pushbutton

Pushing the Recirculation button al- lows interior air to recirculate continu- ously in any position except defrost and defrost/floor mode for rapid cool down of interior. See “Fast Cooldown” later in this section.

the

Mode Control

The mode control allows you to choose from several patterns of air distribution.

NOTE: To improve your selection choices, the system allows you to operate at intermediate positions between

UNDERSTANDING YOUR INSTRUMENT PANEL 239

the major modes. These intermediate positions are iden- tified by the small dots and give an even blend of both modes. Panel

Outside air flows through the outlets located in the instrument panel. These outlets can be adjusted to

direct the airflow. Bi-Level

Air flows through the outlets located in the instru- ment panel and those located on the floor.

NOTE: There is a difference in temperature between the upper and lower outlets for added comfort. The warmer air goes to the floor outlets. This feature gives improved comfort during sunny but cool conditions. Heat

Outside air flows primarily through the floor out- lets located under the instrument panel.

240 UNDERSTANDING YOUR INSTRUMENT PANEL

Mix

Outside air flows in equal proportions through the floor and defroster outlets.

Blower Control

Defrost

Outside air is primarily directed to the windshield through the defroster outlets located at the base of

the windshield and side window demist outlets. NOTE: The air conditioning compressor operates in both Mix and Defrost or a blend of these modes, even if the A/C button has not been pressed. This dehumidifies the air to help dry the windshield.

The rotary knob on the left of the control panel is the blower control. Turn the knob clockwise to one of the four positions to obtain the blower speed you desire. To turn the blower off, turn the knob to the far left posi- tion.

Dual Zone Temperature Control

Dual Zone Temperature Control

Use this control to regulate the temperature of the air inside the passenger compartment. This is accomplished by having separate temperature control slides for both

UNDERSTANDING YOUR INSTRUMENT PANEL 241

the driver and front passenger. The blue area of the scale indicates cooler temperatures while the red area indicates warmer temperatures. Electric Rear Window Defroster and Heated Sideview Mirrors — If Equipped

The Electric Rear Window Defroster and Heated side view mirrors are activated by pressing the heated grid button, located on the Climate Control panel, with the ignition On. Turning Off the ignition will deactivate the Electric Rear Window Defroster and Heated side view mirrors feature. These features also turn off after activation, when 15 minutes have elapsed. To reactivate, simply press the button again. Circulation The cab is designed with features to promote outside air circulation. There are grilles in the cab back panel. These are air exhausters that provide the means for regular exchange of cab air.

Rear Air Duct—Mega Cab Only

242 UNDERSTANDING YOUR INSTRUMENT PANEL

Side window demisters direct air flow specifically to the window glass to help prevent interior fogging of the glass. They are located in the extreme outside upper edges of the instrument panel. The demisters also pro- vide extra air ducts for circulation. They are in operation whenever the Floor, Mix or Defrost modes are in use. NOTE: When you turn off the engine you may hear a hissing sound from under the hood for a short period of time. This is a normal condition that occurs if the air conditioning system has been on. It is not an indication of a problem with the air conditioning system.

Mega Cab Rear Air Duct

The rear seat will receive air flow in all modes except for Defrost. The rear air duct is designed to be pointed up when in A/C mode, and pointed down in Heat mode.

Operating Tips

Fast Cooldown For a fast cooldown, turn the blower fan rotary knob to the extreme right position, turn the mode control to the panel fresh position, press the snowflake button to turn on the air conditioning, and drive with the windows open for the first few minutes. Once the hot air has been expelled, close the windows and press the Recirculation push-button. When a comfortable condition has been reached, choose a mode position and adjust the tempera- ture control slide and blower speed as necessary to maintain comfort. For high humidity conditions it may be necessary to remain in the Recirculation mode to maintain comfort. Window Fogging Windows will fog on the inside when the humidity inside the vehicle is high. This often occurs in mild or cool temperatures when it’s rainy or humid. In most cases

UNDERSTANDING YOUR INSTRUMENT PANEL 243

turning on the Air-conditioning (pressing the snowflake button) will clear the fog. Adjust the temperature control, air direction and blower speed to maintain comfort. As the temperature gets colder it may be necessary to direct air onto the windshield by using MIX Mode position on the control. Adjust the temperature control and blower speed to maintain comfort. Higher blower speeds will reduce fogging. Interior fogging on the windshield can be quickly removed by selecting the defrost mode. Regular cleaning of the inside of the windows with a non-filming cleaning solution (vinegar and water works very well) will help prevent contaminates (cigarette smoke, perfumes, etc.) from sticking to the windows. Contaminates increase the rate of window fogging. Summer Operation Air conditioned vehicles must be protected with a high quality antifreeze coolant during summer to provide

244 UNDERSTANDING YOUR INSTRUMENT PANEL

proper corrosion protection and to raise the boiling point of the coolant for protection against overheating. A 50 % concentration is recommended. Refer to Recommended Fluids and Genuine Parts for the proper coolant type. When using the air conditioner in extremely heavy traffic in hot weather especially when towing a trailer, addi- tional engine cooling may be required. If this situation is encountered, operate the transmission in a lower gear to increase engine RPM, coolant flow and fan speed. When stopped in heavy traffic, it may be necessary to shift into NEUTRAL and depress the accelerator slightly for fast idle operation to increase coolant flow and fan speed.

NOTE: On models equipped with Diesel engines, the idle speed will automatically increase to 1000 rpm at elevated coolant temperatures to improve engine cooling. Your air conditioning system is also equipped with an automatic recirculation system. When the system senses a heavy load or high heat conditions, it may use partial Recirculation A/C mode to provide additional comfort. Winter Operation When operating the system during the winter months, make sure the air intake, located directly in front of the windshield, is free of ice, slush, snow, or other obstruc- tions.

Operating Tips Chart

UNDERSTANDING YOUR INSTRUMENT PANEL 245

STARTING AND OPERATING

CONTENTS

䡵 Ignition/Starter Switch . . . . . . . . . . . . . . . . . . . 251
▫ Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
▫ Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
▫ On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
▫ Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
▫ ACC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
▫ Manual Transmission Key Release Button . . . . 252
▫ Key Reminder . . . . . . . . . . . . . . . . . . . . . . . 253
䡵 Starting Procedures . . . . . . . . . . . . . . . . . . . . . 253

▫ Normal Starting Procedure — Engine Manifold

Airtemperature Above 66°F (19°C)

. . . . . . . . . 253

▫ Starting Procedure — Engine Manifold Air

Temperature Below 66°F (19°C)

. . . . . . . . . . . 254
▫ Starting Fluids . . . . . . . . . . . . . . . . . . . . . . . 258
䡵 Normal Operation . . . . . . . . . . . . . . . . . . . . . . 258
▫ Cold Weather Precautions . . . . . . . . . . . . . . . 259
▫ Engine Idling — In Cold Weather . . . . . . . . . . 262
▫ Stopping The Engine . . . . . . . . . . . . . . . . . . . 263
▫ Engine Speed Control . . . . . . . . . . . . . . . . . . 263

248 STARTING AND OPERATING

▫ Operating Precautions . . . . . . . . . . . . . . . . . . 264
▫ Cooling System Tips —

Automatic Transmission . . . . . . . . . . . . . . . . 264
䡵 Transmission Shifting . . . . . . . . . . . . . . . . . . . . 266

▫ Automatic Transmission With Overdrive—

If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . 266

▫ Manual Transmission — 6-Speed —

If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . 272
䡵 Four-Wheel- Drive Operation — If Equipped . . . 273

▫ Manually Shifted Transfer Case Operating

Information/Precautions . . . . . . . . . . . . . . . . 273

▫ Shifting Procedure - Manually Shifted

Transfer Case . . . . . . . . . . . . . . . . . . . . . . . . 276
. . . . . . . . . . . . 277

▫ Transfer Case Reminder Light

▫ Electronically Shifted Transfer Case Operating

Information/Precautions–If Equipped . . . . . . . 278

▫ Shifting Procedure - Electronically Shifted

Transfer Case . . . . . . . . . . . . . . . . . . . . . . . . 282
䡵 Limited-Slip Differential — If Equipped . . . . . . . 285
䡵 Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 286
䡵 Brake System . . . . . . . . . . . . . . . . . . . . . . . . . . 287
▫ Brake Noise . . . . . . . . . . . . . . . . . . . . . . . . . 288
▫ Four-Wheel Anti-Lock Brake System . . . . . . . . 288
䡵 Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 290
䡵 Tire Safety Information . . . . . . . . . . . . . . . . . . . 291
▫ Tire Markings . . . . . . . . . . . . . . . . . . . . . . . . 291
▫ Tire Identification Number (TIN) . . . . . . . . . . 295
▫ Tire Loading And Tire Pressure . . . . . . . . . . . 296

䡵 Tires—General Information . . . . . . . . . . . . . . . . 300
▫ Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . 300
▫ Tire Inflation Pressures . . . . . . . . . . . . . . . . . 301
▫ Radial-Ply Tires . . . . . . . . . . . . . . . . . . . . . . 303
▫ Compact Spare Tire — If Equipped . . . . . . . . . 304
▫ Limited Use Spare — If Equipped . . . . . . . . . 305
▫ Tire Spinning . . . . . . . . . . . . . . . . . . . . . . . . 305
▫ Tread Wear Indicators . . . . . . . . . . . . . . . . . . 306
▫ Life Of Tire . . . . . . . . . . . . . . . . . . . . . . . . . 307
▫ Replacement Tires . . . . . . . . . . . . . . . . . . . . . 307
▫ Alignment And Balance . . . . . . . . . . . . . . . . . 308

䡵 Supplemental Tire Pressure Information –

If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . . . 309

STARTING AND OPERATING 249

䡵 Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
䡵 Snow Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
䡵 Tire Rotation Recommendations . . . . . . . . . . . . 311
▫ Dual Rear Wheels . . . . . . . . . . . . . . . . . . . . . 313
䡵 Engine Runaway . . . . . . . . . . . . . . . . . . . . . . . 314
䡵 Fuel Requirements . . . . . . . . . . . . . . . . . . . . . . 314
▫ Adding Fuel . . . . . . . . . . . . . . . . . . . . . . . . . 315
▫ Bulk Fuel Storage . . . . . . . . . . . . . . . . . . . . . 316
▫ Fuel Specifications . . . . . . . . . . . . . . . . . . . . 317

䡵 Adding Fuel — 24–Valve Cummins

Turbo Diesel

. . . . . . . . . . . . . . . . . . . . . . . . . . 318
䡵 Vehicle Loading . . . . . . . . . . . . . . . . . . . . . . . . 319
▫ Certification Label . . . . . . . . . . . . . . . . . . . . . 319

250 STARTING AND OPERATING

䡵 Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . . 323
▫ Common Towing Definitions . . . . . . . . . . . . . 323
▫ Trailer Hitch Classification . . . . . . . . . . . . . . . 325
▫ Trailer Towing Weights (Maximum Trailer

Weight Ratings)

. . . . . . . . . . . . . . . . . . . . . . 326
▫ Trailer And Tongue Weight . . . . . . . . . . . . . . 326
▫ Towing Requirements . . . . . . . . . . . . . . . . . . 328
▫ Towing Tips . . . . . . . . . . . . . . . . . . . . . . . . . 332
▫ Trailer Towing Mirrors — If Equipped . . . . . . 334
䡵 Snowplow . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
▫ Before Plowing . . . . . . . . . . . . . . . . . . . . . . . 336
▫ Snowplow Prep Package Model Availability . . 336

▫ Over The Road Operation With Snowplow

Attached . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
▫ Methods For Removing Snow . . . . . . . . . . . . 338
▫ Operating Tips . . . . . . . . . . . . . . . . . . . . . . . 338
▫ General Maintenance . . . . . . . . . . . . . . . . . . . 338
䡵 Recreational Towing (Behind Motorhome, Etc.) . . 339
. 339
. 339
䡵 Driving Off-Road . . . . . . . . . . . . . . . . . . . . . . . 346
䡵 Traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
䡵 Engine Data Plate . . . . . . . . . . . . . . . . . . . . . . 348

▫ Recreational Towing – 2 Wheel Drive Models ▫ Recreational Towing – 4 Wheel Drive Models

IGNITION/STARTER SWITCH

Ignition Switch Positions

STARTING AND OPERATING 251

LOCK Locks the automatic transmission shift control into the PARK position. It also engages the steering wheel lock (if equipped) when the steering wheel is turned. NOTE: This vehicle is equipped with a transmission shift interlocking system. The brake pedal must be depressed to shift out of Park (P). OFF Unlocks the steering wheel (if equipped with locking wheel) and the automatic transmission shift control with engine off. ON This is the normal running position.

252 STARTING AND OPERATING

START Starts the engine. When the engine starts, release the key. The ignition key will return to the ON position for normal driving. ACC Allows the electrical accessories to be used when the engine is not running.

Manual Transmission Key Release Button

Ignition Key Release Button

To remove the key on vehicles equipped with manual transmissions, turn the key to the Lock position and press the button to remove the ignition key.

Key Reminder An alarm will sound to remind you if the key is left in the ignition and the driver’s door is opened.

STARTING PROCEDURES The Cummins Diesel engine is equipped with several features designed to assist cold weather starting and operation: • The engine block heater is a resistance heater installed in the water jacket of the engine just above and behind the oil filter. It requires a 110–115 volt AC electrical outlet with a grounded, three-wire extension cord.

NOTE: The engine block heater cord is a factory in- stalled option. If your vehicle is not equipped, heater cords are available from your authorized Mopar威 dealer. • A 12–volt heater built into the fuel filter housing aids in preventing fuel gelling. It is controlled by a built-in thermostat.

STARTING AND OPERATING 253

• A heated intake air system both improves engine starting and reduces the amount of white smoke generated by a warming engine.

Normal Starting Procedure — Engine Manifold AirTemperature Above 66°F (19°C) Observe the Instrument Panel Cluster lights when start- ing the engine. 1. Always apply the parking brake. 2. Shift into PARK for an automatic transmission. Fully depress and hold the clutch and shift into NEUTRAL for a manual transmission. Models with manual transmis- sion are equipped with a clutch interlocking cranking system. The clutch must be fully depressed to start the vehicle. 3. Turn the ignition key to the ON position and look at the instrument panel cluster lamps.

254 STARTING AND OPERATING

The lamps in the instrument panel cluster will illuminate when the ignition key is first turned to the ON position. This is a bulb check programmed to last for approxi- mately 3 seconds. After the bulb check is completed, the Malfunction Indicator Light and Brake Warning light will remain on. After the bulb check is complete and the WAIT TO START indicator goes out proceed to step 4.

CAUTION!

If WATER IN FUEL indicator light remains on DO NOT START engine before you drain water from the fuel filter to avoid engine damage. See Section 7 — Maintaining Your Vehicle, for water drain proce- dures.

4. Turn the ignition key to START and crank the engine. Do not press the accelerator during starting.

CAUTION!

Do not crank engine for more than 15 seconds at a time as starter motor damage may result. Turn key to OFF and wait at least two minutes before trying again.

5. When the engine starts, release the key. 6. Check to see that there is oil pressure. 7. Release the parking brake. Starting Procedure — Engine Manifold Air Temperature Below 66°F (19°C)

NOTE: The temperature displayed on the overhead console (if equipped) does not necessarily reflect the engine manifold air temperature. The wait-to-start lamp will illuminate momentarily for a bulb check when the ignition key is turned to the ON position, however when

certain engine temperatures fall below 66°F (19°C) the lamp will remain on indicating the intake manifold heater system is active. Follow the steps in the Normal Starting Procedure ex- cept:

CAUTION!

Do not crank engine for more than 15 seconds at a time or starter motor damage may result. Turn key to OFF and wait at least 2 minutes for starter to cool before repeating start procedure. • The WAIT TO START light will remain on for a period of time (length of time depends on engine tempera- ture) after completion of the bulb check.

STARTING AND OPERATING 255

pressure.

• After the WAIT TO START light goes off, turn the ignition key to START. Do not press the accelerator during starting. • After engine start-up, check to see that there is oil • Allow the engine to idle about three minutes until the manifold heaters have completed the post-heat cycle.

• Release the parking brake and drive. NOTE: Engine idle speed will automatically increase to 1000 rpm at low coolant temperatures to improve engine warm-up. If the engine stalls or if the ignition switch is left NOTE: On for more than 2 minutes after the WAIT TO START light goes out, reset the grid heaters by turning the

256 STARTING AND OPERATING

ignition switch to Off for at least 5 seconds and then back On. Repeat steps 3 through 7 of the normal starting procedure. For Extremely Cold Weather Starting — Engine Manifold Air Temperature Below 0°F (- 18°C) In extremely cold weather below 0°F (- 18°C) it may be beneficial to cycle the manifold heaters twice before attempting to start the engine. This can be accomplished by turning the ignition OFF for at least 5 seconds and then back ON after the WAIT TO START light has gone off, but before the engine is started. However, repeated cycling of the manifold heaters will result in damage to the heater elements or reduced battery voltage. NOTE: If multiple pre-heat cycles are used before starting, additional engine run time may be required to maintain battery state of charge at a satisfactory level.

• If the engine stalls after the initial start, the ignition must be turned to the OFF position for at least 5
seconds and then to the ON position to recycle the manifold heaters.

NOTE: Excessive white smoke and poor engine perfor- mance will result if manifold heaters are not recycled. • Heat generated by the manifold heaters dissipates rapidly in a cold engine. If more than two minutes pass between the time the WAIT TO START light goes OFF and the engine is started, recycle the manifold heaters by turning the ignition OFF for at least 5
seconds and then back ON. • If the vehicle is driven and vehicle speed exceeds 19
mph (31 km) before the manifold heater post-heat (after start) cycle is complete, the manifold heaters will shut off.

• If the engine is started before the WAIT TO START • If the engine is cranked for more than 10 seconds, the

light turns off, the preheat cycle will turn off.

post-heat cycle will turn off.

NOTE: Engine idle speed will automatically increase to 1000 rpm at low coolant temperatures to improve engine warm-up. NOTE: When a diesel engine is allowed to run out of fuel or the fuel gels at low temperatures, air is pulled into the fuel system. You may try priming as described below. 1. Add a substantial quantity of fuel to the tank (5 to 10
gallons) or eliminate the gelled fuel condition. 2. Crank the engine for 1 to 2 seconds. If the engine does not start, then release the key or starter button back to the RUN position (do not turn the key back to the OFF

STARTING AND OPERATING 257

position). The electric fuel transfer pump will continue to run and purge air from the system for about 20 seconds. After 20 seconds, attempt to start the engine again. 3. Start the engine using the Normal Starting Procedure. 4. Repeat the procedure if the engine does not start.

WARNING!

Do not open the high pressure fuel system with the engine running. Engine operation causes high fuel pressure. High pressure fuel spray can cause serious injury or death.

NOTE: The engine may run rough until the air is forced from all the fuel lines.

258 STARTING AND OPERATING

Starting Fluids

WARNING!

STARTING FLUIDS or flammable liquids are NEVER TO BE USED in the Cummins Diesel (see Warning label). Never pour diesel fuel, flammable liquid, starting fluids (ether) into the air cleaner canister, air intake piping, or turbocharger inlet in an attempt to start the vehicle. This could result in a flash fire and explosion causing serious personal injury and engine damage.

The engine is equipped with an automatic electric air preheating system. If the instructions in this manual are followed, the engine should start in all conditions.

WARNING!

Do not leave children or animals inside parked vehicles in hot weather. Interior heat build up may cause serious injury or death.

NORMAL OPERATION Observe the following when the engine is operating. • All message center lights are off. • Check Engine Lamp is off. • Engine Oil Pressure is above 10 psi (69 kPa) at idle. • Low Oil Pressure light is off.

• Voltmeter Operation: • The voltmeter may show a gauge fluctuation if certain engine temperatures are below 66°F (19°C). This cycling operation is caused by the post-heat cycle of the intake manifold heater system. The number of cycles and the length of the cycling operation is controlled by the engine control module, this time will not exceed 150 seconds. The needle should then stabilize at the approximate operation point. • The cycling action will cause temporary dimming of the headlamps, interior lamps, and also a noticeable reduction in blower motor speed.

Cold Weather Precautions Operation in ambient temperature below 32°F (0°C) may require special considerations. The following charts sug- gest these options:

STARTING AND OPERATING 259

Fuel Operating Range

*No. 1 diesel fuel should only be used where extended arctic conditions (-10°F/-23°C) exist. NOTE: • Use of Climatized Diesel Fuel or Number 1 Diesel Fuel • Climatized Diesel Fuel is a blend of Number 2 and Number 1 Diesel Fuels which reduces the temperature at which wax crystals form in fuel.

results in a noticeable decrease in fuel economy.

260 STARTING AND OPERATING

NOTE: Refer to Fuel Requirements in this section for further details on fuel recommendations. Engine Block Heater The engine block heater warms engine coolant and permits quicker starts in cold weather. Connect the heater cord to a ground–fault interrupter protected 110–115 volt AC electrical outlet with a grounded, three-wire exten- sion cord. The engine block heater cord is routed under the hood to the right side and can be located just behind the grille near the headlamp. NOTE: The engine block heater cord is a factory in- stalled option. If your vehicle is not equipped, heater cords are available from your authorized Mopar威 dealer. The block heater must be plugged in at least one hour to have an adequate warming effect on the coolant.

WARNING!

Remember to disconnect the cord before driving. Damage to the 110–115 volt electrical cord could cause electrocution.

NOTE: The block heater will require 110 Volts AC and 6.5 Amps to activate the heater element. Block Heater Usage A. Temperatures below 0°F (-18°C) • Block Heater Required for 15W-40
• Block Heater Recommended for 5W-40
B. Temperatures below - 20°F (-29°C) • Block Heater Required for 5W-40

Winter Front Usage If a winter front or cold weather cover is to be used, a percentage of the total grille opening area must be left uncovered to provide sufficient air flow to the charge air cooler and automatic transmission oil cooler. The per- centage of opening must be increased with the increasing ambient air temperature and/or engine load. If the cooling fan can be heard cycling frequently, increase the size of the opening in the winter front. A suitable cold weather cover is available from your Mopar威 dealer. Battery Blanket Usage A battery loses 60% of its cranking power as the battery temperature decreases to 0°F (-18°). For the same de- crease in temperature, the engine requires twice as much power to crank at the same RPM. The use of 120 VAC powered battery blankets will greatly increase starting capability at low temperatures. Suitable battery blankets are available from your authorized Mopar威 dealer.

STARTING AND OPERATING 261

Arctic Operation Where there are no provisions to keep the engine warm when it is operating in ambient temperatures consistently below (-10°F/-23°C), use 5W-40 synthetic engine oil and fuel that meets the requirements in Section 7, “Mainte- nance Procedures,” Engine Oil Selection. Engine Warm-Up Avoid full throttle operation when the engine is cold. When starting a cold engine, bring the engine up to operating speed slowly to allow the oil pressure to stabilize as the engine warms up. NOTE: High-speed, no-load running of a cold engine can result in excessive white smoke and poor engine performance. No-load engine speeds should be kept under 1,200 rpm during the warm-up period, especially in cold ambient temperature conditions.

262 STARTING AND OPERATING

If temperatures are below 32°F (0°C), operate the engine at moderate speeds for 5 minutes before full loads are applied. Engine Idling — In Cold Weather Avoid prolonged idling in ambient temperatures below 0°F. Long periods of idling may be harmful to your engine because combustion chamber temperatures can drop so low that the fuel may not burn completely. Incomplete combustion allows carbon and varnish to form on piston rings and injector nozzles. Also, the unburned fuel can enter the crankcase, diluting the oil and causing rapid wear to the engine. NOTE: An optional driver-controlled high idle speed is available on automatic transmission equipped vehicles with speed control. This feature allows the driver to select an elevated idle speed between 1100 and 1500
rpms. Your dealer can enable this feature.

NOTE: • If ambient

temperatures are low and the coolant temperature is below 200°F (93°C), the engine idle speed will slowly increase to 1000 RPM after 2 minutes of idle, if the following conditions are met: • foot is off brake pedal and throttle pedal • automatic transmission is in Park (P) • vehicle speed is zero • Applying the throttle will cancel fast idle • If the engine is equipped with an aftermarket exhaust brake (manual transmissions only), operating the ex- haust brake at idle will greatly improve warm up rate and will help keep the engine close to operating temperature during extended idle.

Stopping The Engine Idle the engine a few minutes before routine shutdown. After full load operation, idle the engine 3 to 5 minutes before shutting it down. This idle period will allow the lubricating oil and coolant to carry excess heat away from the combustion chamber, bearings, internal components, and turbocharger. This is especially important for turbo- charged, charge air cooled engines, like your Turbo Ram.

Load

Turbo- charger

Temperature

Empty

Cool

Medium

Idle Time (min.) Be- fore Engine Shutdown Less than

One One

Medium

Warm

Two

Driving Condition

Stop and

Go

Stop and

Go

Highway Speeds

STARTING AND OPERATING 263

City Traffic Maximum

GCWR

Highway Speeds Uphill Grade

Maximum

GCWR

Maximum

GCWR Engine Speed Control

Three

Four

Five

Hot

CAUTION!

Prevent overspeeding the engine going down hill. When descending steep grades, use a combination of gears and service brakes to control vehicle/engine speed. Overspeed can cause severe engine damage.

264 STARTING AND OPERATING

Operating Precautions

Avoid Overheating The Engine The temperature of (a mixture of 50% the coolant ethylene-glycol and 50% water) must not exceed the normal range of the temperature gauge (240°F/116°C) with a 16 psi (110 kPa) radiator cap. Usually the coolant temperature indicated during opera- tion will be to the left of center in the normal range of the gauge. Avoid Low Coolant Temperature Operation Continual operation at low coolant temperature below the normal range on the gauge (140°F/60°C) can be harmful to the engine. Low coolant temperature can cause incomplete combustion which allows carbon and varnish to form on piston rings and injector nozzles. Also, the unburned fuel can enter the crankcase, diluting the lubricating oil and causing rapid wear to the engine.

Cooling System Tips — Automatic Transmission To reduce potential for engine and transmission over- heating in high ambient temperature conditions, take the following actions: • City Driving — when stopped, put transmission in neutral and increase engine idle speed. • Highway Driving — reduce your speed. • Up Steep Hills — select a lower transmission gear, but try and keep the torque converter locked. • Air Conditioning — turn it off temporarily.

Do Not Operate The Engine With Low Oil Pressure When the engine is at normal operating temperature, the minimum oil pressures required are:

Idle 700 to 800 RPM . . . . . . . . . . . . . . . 10 psi (69 kPa) Full speed and load . . . . . . . . . . . . . . 30 psi (207 kPa)

CAUTION!

If oil pressure falls to less than normal readings, shut the engine off immediately. Failure to do so could result in immediate and severe engine damage.

STARTING AND OPERATING 265

Do Not Operate The Engine With Failed Parts Practically all failures give some warning before the parts fail. Be on the alert for changes in performance, sounds, and visual evidence that the engine requires service. Some important clues are: • engine misfiring or vibrating severely • sudden loss of power • unusual engine noises • fuel, oil or coolant leaks • sudden change, outside the normal operating range, in • excessive smoke • oil pressure drop

the engine operating temperature

266 STARTING AND OPERATING

TRANSMISSION SHIFTING

Automatic Transmission with Overdrive— If Equipped The gear shift selector display, located in the instrument panel cluster, indicates the transmission gear range (the selector is illuminated for night driving). The selector lever is mounted on the right side of the steering column. You must depress the brake pedal, to pull the selector lever out of park (P) position (Brake Interlock System). To drive, move the selector lever from Park or Neutral to the desired drive position. Pull the selector lever toward you when shifting into Reverse, Second, First or Park, or when shifting out of Park. Gear Ranges DO NOT race the engine when shifting from Park or Neutral position into another gear range.

“P” Park This gear position supplements the parking brake by locking the transmission. The engine can be started in this range. Never use Park while the vehicle is in motion. Apply the parking brake when leaving the vehicle in this range. Always apply parking brake first, then place the selector in Park position. On 4-wheel drive vehicles be sure that the transfer case is in a drive position!

WARNING!

Your vehicle could move and injure you and others if it is not completely in P (Park). Check by trying to move the gearshift lever back and forth without first pulling it toward you after you have set it in P. Make sure it is in Park before leaving the vehicle.

WARNING!

It is dangerous to shift the selector lever out of “P” or “N” if the engine speed is higher than idle speed. If your foot is not firmly on the brake pedal, the vehicle could accelerate quickly forward or in re- verse. You could lose control of the vehicle and hit someone or something. Only shift into gear when the engine is idling normally and when your right foot is firmly on the brake pedal.

“R” Reverse Use this range only after the vehicle has come to a complete stop.

STARTING AND OPERATING 267

“N” Neutral Shift to Neutral when the vehicle is standing for pro- longed periods with the engine running. The engine may be started in this range. Set the parking brake if you must leave the vehicle. “D” Drive This position provides all forward gears, including 3rd gear direct and 4th or 5th (if equipped) gear overdrive (see Overdrive Operation). Use this range for most city and highway driving. “2” Second Use this position for driving slowly in heavy city traffic or on mountain roads where more precise speed control is desirable. Use it also when climbing long grades, and for engine braking when descending moderately steep grades. To prevent excessive engine speed do not exceed 45 mph (72 km/h) in this range.

268 STARTING AND OPERATING

“1” First Use this position for driving up very steep hills and for engine braking at low speeds 20 mph (32 km/h) or less when going downhill. To prevent excessive engine speed, do not exceed 25 mph (40 km/h) in this range. NOTE: Use caution when operating a heavily loaded vehicle in “2” Second or “1” First gear selections in high ambients as torque converter slip can impose significant additional heat load on the cooling system.

WARNING!

Never use Park position on an automatic transmis- sion as a substitute for the parking brake. Always apply parking brake fully when parked to guard against vehicle movement and possible injury or damage.

Overdrive Operation The overdrive automatic transmission contains an elec- tronically controlled fourth and fifth (if equipped) speed (Overdrive). The transmission will automatically shift from Drive to Overdrive if the following conditions are present: • the transmission selector is in Drive; • the engine coolant has reached normal operating tem- • vehicle speed is above approximately 30 mph (48
• the “TOW HAUL O/D OFF” switch has not been • transmission has reached normal operating tempera-

activated;

perature;

km/h);

ture.

If the vehicle is started in extremely cold tem- NOTE: peratures, the transmission may not shift into Overdrive and will automatically select the most desirable gear for operation at this temperature. Normal operation will resume when the transmission fluid temperature has risen to a suitable level. Refer also to the Note under torque converter clutch, later in this section. If the transmission temperature gets extremely hot, the transmission will automatically select the most desirable gear for operation at this temperature. If the transmission temperature becomes hot enough the TRANS TEMP light may illuminate and the transmission may downshift out of Overdrive until the transmission cools down. After cooldown, the transmission will resume normal opera- tion. The transmission will downshift from Overdrive to Drive if the accelerator pedal is fully depressed at vehicle speeds above approximately 35 mph (56 km/h).

STARTING AND OPERATING 269

When To Use “TOW HAUL” and “O/D OFF” Modes

Tow Haul O/D Off Switch

When driving in hilly areas, towing a trailer, carrying a heavy load, etc., and frequent transmission shifting oc- curs, press the “TOW HAUL O/D OFF” button once to select TOW HAUL. This will improve performance and

270 STARTING AND OPERATING

reduce the potential for transmission overheating or failure due to excessive shifting. When operating in “TOW HAUL” mode, 5th gear (if equipped) is disabled and 2-3 and 3-4 shift patterns are modified. Shifts into Overdrive (4th gear) are allowed during steady cruise (for improved fuel economy) and automatic closed- throttle downshifts to 3rd gear (for improved braking) will occur during steady braking. Pressing the “TOW HAUL O/D OFF” button a second time to select O/D OFF will disable 4th and 5th gear completely, which should eliminate any excessive transmission shifting. The “TOW HAUL” or “O/D OFF” light will illuminate in the instrument cluster to indicate when the switch has been activated. Pressing the switch a third time restores normal operation. If the “TOW HAUL” or “O/D OFF” modes are desired, the button must be pressed each time the engine is started.

When To Lock Out Overdrive When driving in hilly areas, towing a trailer, carrying a heavy load, etc., and frequent 4–3–4 transmission shifting occurs, press the “TOW/HAUL” button. This will im- prove performance and reduce the potential for transmis- sion overheating or failure due to excessive shifting. Torque Converter Clutch A feature, designed to improve fuel economy, has been included in the automatic transmission on your vehicle. A clutch within the torque converter engages automati- cally at calibrated speeds. This may result in a slightly different feeling or response during normal operation in high gear. When the vehicle speed drops or during acceleration when the transmission downshifts to second gear, the clutch automatically disengages. NOTE: The torque converter clutch will not engage until the transmission fluid and engine coolant are warm [usually after 1-3 miles (1.6 - 4.8 km) of driving]. Because

the engine speed is higher when the torque converter clutch is not engaged, it may seem as if the transmission is not shifting into Overdrive when cold. This is normal. Pressing the “TOW/HAUL” button, when the transmis- sion is sufficiently warm, will demonstrate that the transmission is able to shift into and out of overdrive. If the vehicle has not been driven in several NOTE: days, the first few seconds of operation after shifting the transmission into gear may seem sluggish. This is due to the fluid partially draining from the torque converter into the transmission. This condition is normal and will not cause damage to the transmission. The torque converter will refill within five seconds of shifting from Park into any other gear position. Out of Park Sense Alarm Vehicles with a Diesel Engine and an Automatic Trans- mission are equipped with an Alarm that warns the

STARTING AND OPERATING 271

customer, upon exiting the vehicle, that the transmission is not in the Park position. This feature will only be functional under following conditions: • engine running • foot off the brake pedal • driver’s seat belt is unbuckled • driver’s door is open. When this feature is triggered the horn will sound, the high beams and turn signal lamps will flash. This will continue until one of the following conditions is met: • engine is turned off • transmission is in Park • driver’s door is closed • driver’s seat belt is buckled • brakes applied.

272 STARTING AND OPERATING

Manual Transmission — 6-Speed — If Equipped

NOTE: The parking brake should be engaged before leaving the vehicle, especially on an incline. Truck models with manual transmission are equipped with a clutch interlocking ignition system. The clutch pedal must be fully depressed to start the vehicle. Fully depress the clutch pedal before shifting gears. As you release the clutch pedal, lightly depress the accelera- tor pedal. This transmission has a “creeper” 1st gear which should be used to start from a standing position when carrying a payload or towing a trailer. Damage to the clutch can result from starting in 2nd or 3rd gear with a loaded vehicle. An unloaded vehicle may be launched in 2nd gear. Use each gear in numerical order – do not skip a gear.

For most city driving you may find it easier to use only 1st through 5th gear ranges. For steady highway driving with light accelerations, 6th gear is recommended. To shift into 5th gear, move the shift lever to the right beyond the spring pressure point and push it forward. When shifting from 5th to 4th gear, pull the lever down toward you in one motion. Do not pull the lever sharply left as you may shift accidentally into 2nd gear and damage the transmission. You should use 1st gear when starting from a standing position if under heavy load or when pulling a trailer. To shift into Reverse, come to a complete stop. Depress the clutch and pause briefly to allow the gear train to stop. Move the shift lever from the Neutral position straight across and back into Reverse.

Never drive with your foot resting on the clutch pedal, or attempt to hold the vehicle on a hill with the clutch pedal partially engaged, as this will cause abnormal wear on the clutch. Downshifting Moving from a high gear down to a lower gear is recommended to preserve brakes when driving down steep hills. In addition, downshifting at the right time provides better acceleration when you desire to resume speed. Downshift progressively. Do not skip gears to avoid overspeeding the engine and clutch. For accelera- tion at speeds less than 15 mph (25 km/h), 2nd gear is recommended.

STARTING AND OPERATING 273

CAUTION!

When descending a hill, be very careful to downshift one gear at a time to prevent overspeeding the engine which can cause valve damage.

FOUR-WHEEL- DRIVE OPERATION — IF EQUIPPED Four-Wheel-Drive Dodge Ram Trucks are equipped with either a Manually Shifted transfer case or an Electroni- cally Shifted transfer case. See the operating instructions for your transfer case, located within this section. Manually Shifted Transfer Case Operating Information/Precautions The transfer case provides 4 mode positions - 2 (rear)- wheel-drive high range, 4-wheel-drive high range, neu- tral, and 4-wheel-drive low range.

274 STARTING AND OPERATING

This transfer case is intended to be driven in the 2-wheel- drive position (2H) for normal street and highway con- ditions such as dry hard surfaced roads. When additional traction is required the transfer case 4H and 4L positions can be used to lock the front and rear driveshafts together and force the front and rear wheels to rotate at the same speed. This is accomplished by simply moving the shift lever to the desired positions. The 4H and 4L positions are intended for loose, slippery road surfaces only. Driving in the 4H and 4L positions on dry hard surfaced roads may cause increased tire wear and damage to the driveline components. The 4-wheel-drive light (4WD), located in the instrument cluster, alerts the driver that the vehicle is in 4-wheel drive and that the front and rear driveshafts are locked together. This light illuminates when the transfer case is shifted to either the 4H or 4L positions. There is no light for the 2H or N (Neutral) positions.

When operating your vehicle in 4L, the engine speed is approximately three times that of the 2H or 4H positions at a given road speed. Take care not to overspeed the engine and do not exceed 25 mph (40 km/h). Proper operation of 4-wheel-drive vehicles depends on tires of equal size, type and circumference on each wheel. Any difference will adversely affect shifting and can cause damage to the transfer case. NOTE: Do not attempt to make a shift while only the front or rear wheels are spinning. The transfer case is not equipped with a synchronizer and therefore the front and rear driveshaft speeds must be equal for the shift to take place. Shifting while only the front or rear wheels are spinning can cause damage to the transfer case. Because 4-wheel drive provides improved traction, there is a tendency to exceed safe turning and stopping speeds. Do not go faster than road conditions permit.

NOTE: Delayed shifts out of four-wheel drive may be experienced due to uneven tire wear, low or uneven tire pressures, excessive vehicle loading, or cold tempera- tures.

WARNING!

You or others could be injured if you leave the vehicle unattended with the transfer case in the Neutral (N) position without first fully engaging the parking brake. The transfer case Neutral (N) position disengages both the front and rear driveshafts from the powertrain and will allow the vehicle to move regardless of the transmission position. The parking brake should always be applied when the driver is not in the vehicle.

STARTING AND OPERATING 275

For additional information on the appropriate use of each transfer case mode position see the information below: 2H Rear Wheel Drive High Range - Normal street and highway driving. Dry hard surfaced roads. 4H 4-Wheel-Drive High Range - Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same speed. Additional traction for loose, slippery road surfaces only. Neutral - Disengages both the front and rear driveshafts from the powertrain. To be used for flat towing behind another vehicle. See Recreational Towing for more infor- mation.

276 STARTING AND OPERATING

4L 4-Wheel-Drive Low Range - Low speed 4-wheel-drive. Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same speed. Additional traction and maximum pulling power for loose, slippery road surfaces only. Do not exceed 25 mph (40 km/h).

Shifting Procedure - Manually Shifted Transfer Case

Manual Transfer Case Shifter

2H ⇔ 4H Shifting between 2H and 4H can be made with the vehicle stopped or in motion. If the vehicle is in motion, shifts can be made up to 55 mph (88 km/h). With the

vehicle in motion, the transfer case will engage / disen- gage faster if you momentarily release the accelerator pedal after completing the shift. Apply a constant force when shifting the transfer case lever. 2H or 4H ⇔ 4L With the vehicle rolling at 2 to 3 mph (3 to 5 km/h), shift an automatic transmission to N (Neutral) or depress the clutch on a manual transmission. While the vehicle is coasting at 2 to 3 mph (3 to 5 km/h), shift the transfer case lever firmly to the desired position. Do not pause in transfer case N (Neutral). NOTE: Pausing in transfer case N (Neutral) in vehicles equipped with an automatic transmission may require shutting the engine OFF to avoid gear clash while completing the shift. If difficulty occurs, shift automatic transmission to N (Neutral), hold foot on brake, and turn engine OFF. Make shift to the desired mode.

STARTING AND OPERATING 277

NOTE: Shifting into or out of 4L is possible with the vehicle completely stopped, however difficulty may oc- cur due to the mating clutch teeth not being properly aligned. Several attempts may be required for clutch teeth alignment and shift completion to occur. The pre- ferred method is with the vehicle rolling 2 to 3 mph (3 to 5 km/h). Avoid attempting to engage or disengage 4L with the vehicle moving faster than 2 to 3 mph (3 to 5
km/h). NOTE: Do not attempt to shift to or from 4L while the transmission is in gear or clutch is engaged. Transfer Case Reminder Light The four-wheel-drive operating light (4WD), located in the instrument cluster, is used to alert the driver that the front axle is fully engaged and all four wheels are driving.

278 STARTING AND OPERATING

Electronically Shifted Transfer Case Operating Information/Precautions–If Equipped

Transfer Case Switch

This is an electric shift transfer case and is operated by the 4WD Control Switch (Transfer Case Switch), which is located on the instrument panel.

This Electronically Shifted transfer case provides 4 mode positions: 2 (rear) wheel drive high range, 4 wheel drive high range, 4 wheel drive low range, and neutral. The Electronically Shifted transfer case is designed to be driven in the 2 wheel drive position (2WD) for normal street and highway conditions (dry hard surfaced roads). When additional traction is required, the transfer case 4HI and 4LO positions can be used to lock the front and rear driveshafts together and force the front and rear wheels to rotate at the same speed. This is accomplished by rotating the 4WD Control Switch to the desired position - see Shifting Procedure section for specific shifting instructions. The 4HI and 4LO positions are designed for loose, slippery road surfaces only. Driving in the 4HI and 4LO positions on dry hard surfaced roads may cause increased tire wear and damage to the driv- eline components.

STARTING AND OPERATING 279

towing only. See the Recreational Towing section for specific procedures on shifting into and out of Neutral (N). Transfer Case Position Indicator Lights — Electronically Shifted Transfer Case Only Transfer case position indicator lights are located in the instrument cluster and indicate the current and desired transfer case selection. When you select a different trans- fer case position, the indicator lights will do the follow- ing: If All Shift Conditions are Met 1. The current position indicator light will turn OFF. 2. The selected position indicator light will flash until the transfer case completes the shift. 3. When the shift is complete, the indicator light for the selected position will stop flashing and remain ON.

Neutral Button

NOTE: The transfer case Neutral (N) position is selected by depressing the recessed button located on the lower left hand corner of the 4WD Control Switch. The transfer case Neutral (N) position is to be used for recreational

280 STARTING AND OPERATING

If One or More Shift Conditions are not Met 1. The indicator light for the current position will remain ON. 2. The newly selected position indicator light will con- tinue to flash. 3. The transfer case will not shift. NOTE: Before retrying a selection, make certain that all the necessary requirements for selecting a new transfer case position have been met. To retry the selection, turn the control knob back to the current position, wait five (5) seconds, and retry selection. To find the shift require- ments, refer to the ⬙Shifting Procedure⬙ for your transfer case, located in this section of the owner’s manual. The “SERVICE 4WD” warning light monitors the electric shift 4WD system. If this light remains on after engine

start up or illuminates during driving, it means that the 4WD system is not functioning properly and that service is required.

WARNING!

Always engage the parking brake when powering down the vehicle if the ⴖService 4WDⴖ light is illuminated. Not engaging the parking brake may allow the vehicle to roll which may cause personal injury.

NOTE: Do not attempt to make a shift while only the front or rear wheels are spinning. The transfer case is not equipped with a synchronizer and therefore the front and rear driveshaft speeds must be equal for the shift to take place. Shifting while only the front or rear wheels are spinning can cause damage to the transfer case.

When operating your vehicle in 4LO, the engine speed is approximately three times that of the 2WD or 4HI positions at a given road speed. Take care not to over- speed the engine and do not exceed 25 mph (40 km/h). Proper operation of 4 wheel drive vehicles depends on tires of equal size, type and circumference on each wheel. Any difference in tire size can cause damage to the transfer case. Because 4 wheel drive provides improved traction, there is a tendency to exceed safe turning and stopping speeds. Do not go faster than road conditions permit.

STARTING AND OPERATING 281

WARNING!

You or others could be injured if you leave the vehicle unattended with the transfer case in the Neutral (N) position without first fully engaging the parking brake. The transfer case Neutral (N) position disengages both the front and rear driveshafts from the powertrain and will allow the vehicle to move regardless of the transmission position. The parking brake should always be applied when the driver is not in the vehicle.

For additional information on the appropriate use of each transfer case mode position see the information below: 2WD Rear Wheel Drive High Range - Normal street and highway driving. Dry hard surfaced roads.

282 STARTING AND OPERATING

4HI 4 Wheel Drive High Range - Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same speed. Additional traction for loose, slippery road surfaces only. 4LO 4 Wheel Drive Low Range - Low speed 4 wheel drive. Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same speed. Additional traction and maximum pulling power for loose, slippery road surfaces only. Do not exceed 25 mph (40 km/h). Neutral - Disengages both the front and rear driveshafts from the powertrain. To be used for flat towing behind another vehicle. See Recreational Towing for more infor- mation.

Shifting Procedure - Electronically Shifted Transfer Case

Transfer Case Switch

If any of the requirements to select a new NOTE: transfer case position have not been met, the transfer case will not shift.The indicator light for the previous position will remain ON and the newly selected position indicator

light will continue to flash until all the requirements for the selected position have been met. To retry a shift: return the control knob back to the original position, make certain all shift requirements have been met, wait five (5) seconds and try the shift again. If all the requirements to select a new transfer NOTE: case position have been met, the current position indica- tor light will turn OFF, the selected position indicator light will flash until the transfer case completes the shift. When the shift is complete, the indicator light for the selected position will stop flashing and remain ON. 2WD⇔ 4HI Rotate the 4WD Control Switch to the desired position. Shifts between 2WD and 4HI can be done with the vehicle stopped or in motion. With the vehicle in motion, the transfer case will engage / disengage faster if you momentarily release the accelerator pedal after turning the control switch. If the vehicle is stopped, the ignition

STARTING AND OPERATING 283

key must be in the ON position with the engine either RUNNING or OFF. This shift cannot be completed if the key is in the accessory position. NOTE: The 4x4 system will not allow shifts between 2WD/4HI if the front and/or rear wheels are spinning (no traction). In this situation the selected position indi- cator light will flash and the original position indicator light will remain ON. At this time, reduce speed and stop spinning the wheels to complete the shift. 2WD or 4HI ⇔ 4LO NOTE: When shifting into or out of 4LO some gear noise may be heard. This noise is normal and is not detrimental to the vehicle or occupants. Shifting can be performed with the vehicle rolling 2 to 3
mph (3 to 5 km/h) or completely stopped. USE EITHER OF THE FOLLOWING PROCEDURES:

284 STARTING AND OPERATING

Preferred Procedure 1. With engine RUNNING, slow vehicle to 2 to 3 mph (3
to 5 km/h). 2. Shift the transmission into NEUTRAL (depress clutch on manual transmissions). 3. While still rolling, rotate the transfer case control switch to the desired position. 4. After the desired position indicator light is ON (not flashing), shift transmission back into gear (release clutch on manual transmissions). Alternate Procedure 1. Bring the vehicle to complete stop. 2. With the key ON and the engine either OFF or RUNNING, shift the transmission into NEUTRAL (de- press clutch on manual transmissions).

3. Rotate the transfer case control switch to the desired position. 4. After the desired position indicator light is ON (not flashing), shift transmission back into gear (release clutch on manual transmissions). If steps 1 or 2 of either the Preferred or Alternate NOTE: Procedure are not satisfied prior to attempting the shift then the desired position indicator light will flash con- tinuously while the original position indicator light is ON, until all requirements have been met. NOTE: The ignition key must be ON for a shift to take place and for the position indicator lights to be operable. If the key is not ON then the shift will not take place and no position indicator lights will be on or flashing. NOTE: than 21 days, refer to the section on “Vehicle Storage.”

If your are leaving your vehicle stored for longer

LIMITED-SLIP DIFFERENTIAL — IF EQUIPPED The limited-slip differential provides additional traction on snow, ice, mud, sand and gravel, particularly when there is a difference between the traction characteristics of the surface under the right and left rear wheels. During normal driving and cornering, the limited-slip unit per- forms similarly to a conventional differential. On slip- pery surfaces, however, the differential delivers more of the driving effort to the rear wheel having the better traction. The limited-slip differential is especially helpful during slippery driving conditions. With both rear wheels on a slippery surface, a slight application of the accelerator will supply maximum traction. When starting with only one rear wheel on an excessively slippery surface, slight momentary application of the parking brake may be necessary to gain maximum traction.

STARTING AND OPERATING 285

WARNING!

On vehicles equipped with a limited-slip differen- tial, never run the engine with one rear wheel off the ground, since the vehicle may drive through the rear wheel remaining on the ground. You could lose control of the vehicle.

Care should be taken to avoid sudden accelerations when both rear wheels are on a slippery surface. This could cause both rear wheels to spin, and allow the vehicle to slide sideways on the crowned surface of a road or in a turn.

286 STARTING AND OPERATING

PARKING BRAKE The foot operated parking brake is positioned below the lower left corner of the instrument panel. To release the parking brake, pull the parking brake release handle. NOTE: The instrument cluster red brake warning light will come on and flash to indicate that the parking brake is applied. You must be sure that the parking brake is fully applied before leaving the vehicle.

Parking Brake Release

Be sure the parking brake is firmly set when parked and the gear shift lever is in the PARK position. When parking on a hill you should apply the parking brake before placing the gear shift lever in PARK, otherwise the load on the transmission locking mechanism may make it difficult to move the selector out of PARK.

WARNING!

• Always fully apply the parking brake when leav- ing your vehicle, or it may roll and cause damage or injury. Also be certain to leave an automatic transmission in Park, a manual transmission in Reverse or first gear. Failure to do so may allow the vehicle to roll and cause damage or injury. • Leaving children in a vehicle unattended is dan- gerous for a number of reasons. A child or others could be injured. Children should be warned not to touch the parking brake or the gear selector lever. Don’t leave the keys in the ignition. A child could operate power windows, other controls, or move the vehicle. • Be sure the parking brake is fully disengaged before driving, failure to do so can lead to brake problems due to excessive heating of the rear brakes.

STARTING AND OPERATING 287

When parking on a hill, turn the front wheels toward the curb on a downhill grade and away from the curb on an uphill grade. The parking brake should always be applied whenever the driver is not in the vehicle.

BRAKE SYSTEM If power assist is lost for any reason (for example, repeated brake applications with the engine off), the brakes will still function. However, you will experience a substantial increase in braking effort to stop the vehicle. If either the front or rear hydraulic systems lose normal capability, the remaining system will still function with some loss of overall braking effectiveness. This will be evident by increased pedal travel during application, greater pedal force required to slow or stop, and activa- tion of the BRAKE warning lamp and the ABS lamp (if equipped) during brake use.

288 STARTING AND OPERATING

Brake Noise During normal operation of the brake system certain noises may be present from time to time. Occasional ⬙groan⬙ or ⬙squeal⬙ noises may occur during normal operation of the brake system which may not be indica- tive of a problem. These noises may be heard at any time the brakes are applied but may be more noticeable during the first few brake applications in the morning. Moisture, hot or cold temperature, dust, and or other debris may also contribute to the noise condition. Repeated or con- tinuous noises during braking may be an indication that the brake linings are worn and in need of replacement.

Four-Wheel Anti-Lock Brake System

WARNING!

Anti-Lock Brake Systems contain sophisticated elec- tronic equipment. It may be susceptible to interfer- ence caused by improperly installed or high output radio transmitting equipment. This interference can cause possible loss of anti-lock braking capability. Installation of such equipment should be performed by qualified professionals.

WARNING!

• Anti-lock system (ABS) cannot prevent the natu- ral laws of physics from acting on the vehicle, nor can it increase braking or steering efficiency be- yond that afforded by the condition of the vehicle brakes and tires or the traction afforded.

• The ABS cannot prevent accidents,

including those resulting from excessive speed in turns, following another vehicle too closely, or hydro- planing. Only a safe, attentive, and skillful driver can prevent accidents. • The capabilities of an ABS equipped vehicle must never be exploited in a reckless or dangerous manner which could jeopardize the user’s safety or the safety of others.

STARTING AND OPERATING 289

This Anti-lock Brake System is designed to aid the driver in maintaining vehicle control under adverse braking conditions. The system operates with a separate com- puter to modulate hydraulic pressure to prevent wheel lockup and help avoid skidding on slippery surfaces. The system’s pump motor runs during an ABS stop to provide regulated hydraulic pressure. The pump motor makes a low humming noise during operation. This is normal. When you are in a severe braking condition involving use of the Anti-lock Brake System, you will experience some pedal drop as the vehicle comes to a complete stop. This is the result of the system reverting to the base brake system and is normal. Engagement of the Anti-lock Brake System may be accompanied by a pulsing sensation. You may also hear a clicking noise. These occurrences are normal, and indi- cate that the system is functioning.

290 STARTING AND OPERATING

ABS Warning Light The Anti-lock Brake System includes an amber warning light, located in the instrument cluster. When the light is illuminated, the Anti-lock Brake System is not function- ing. The system reverts to standard non-anti-lock brakes.

WARNING!

Pumping of the anti-lock brakes will diminish their effectiveness and may lead to an accident. Pumping makes the stopping distance longer. Just press firmly on your brake pedal when you need to slow down or stop.

POWER STEERING The standard power steering system will give you good vehicle response and increased ease of maneuverability in tight spaces. The system will provide mechanical steering capability if power assist is lost. If for some reason, the power assist is interrupted, it will still be possible to steer your vehicle. Under these condi- tions you will observe a substantial increase in steering effort, especially at very low vehicle speeds and during parking maneuvers. Increased noise levels at the end of the steering NOTE: wheel travel are considered normal and does not indicate that there is a problem with the power steering system. Upon initial start-up in cold weather, the power steering pump may make noise for a short period of time. This is due to the cold, thick fluid in the steering system. This noise should be considered normal, and does not in any way damage the steering system.

WARNING!

Continued operation with reduced power steering assist could pose a safety risk to yourself and others. Service should be obtained as soon as possible.

CAUTION!

Prolong operation of the steering system at the end of the steering wheel travel will increase the steering fluid temperature and should be avoided when possible. Damage to the power steering pump may occur.

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TIRE SAFETY INFORMATION

Tire Markings

NOTE: • P (Passenger)-Metric tire sizing is based on U.S. design standards. P-Metric tires have the letter “P” molded into the sidewall preceding the size designation. Ex- ample: P215/65R15 95H.

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• European Metric tire sizing is based on European design standards. Tires designed to this standard have the tire size molded into the sidewall beginning with the section width. The letter ⬙P⬙ is absent from this tire size designation. Example: 215/65R15 96H • LT (Light Truck)-Metric tire sizing is based on U.S. design standards. The size designation for LT-Metric tires is the same as for P-Metric tires except for the letters “LT” that are molded into the sidewall preced- ing the size designation. Example: LT235/85R16.

• Temporary Spare tires are high pressure compact spares designed for temporary emergency use only. Tires designed to this standard have the letter “T” molded into the sidewall preceding the size designa- tion. Example: T145/80D18 103M. • High Flotation tire sizing is based on U.S. design standards and begins with the tire diameter molded into the sidewall. Example: 31x10.5 R15 LT.

Tire Sizing Chart

Size Designation:

EXAMPLE:

P = Passenger car tire size based on U.S. design standards ⴖ....blank....ⴖ = Passenger car tire based on European design standards LT = Light Truck tire based on U.S. design standards T = Temporary Spare tire 31 = Overall Diameter in Inches (in) 215 = Section Width in Millimeters (mm) 65 = Aspect Ratio in Percent (%)

—Ratio of section height to section width of tire.

10.5 = Section Width in Inches (in) R = Construction Code

—⬙R⬙ means Radial Construction. —⬙D⬙ means Diagonal or Bias Construction.

15 = Rim Diameter in Inches (in)

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Service Description:

EXAMPLE:

95 = Load Index

—A numerical code associated with the maximum load a tire can carry.

H = Speed Symbol

—A symbol indicating the range of speeds at which a tire can carry a load corresponding to its load index under certain operating conditions. —The maximum speed corresponding to the Speed Symbol should only be achieved un- der specified operating conditions. (i.e. tire pressure, vehicle loading, road conditions and posted speed limits).

Load Identification:

ⴖ....blank....ⴖ = Absence of any text on sidewall of the tire indicates a Standard Load (SL) Tire Extra Load (XL) = Extra Load (or Reinforced) Tire Light Load = Light Load Tire C,D,E = Load range associated with the maximum load a tire can carry at a specified pressure

Maximum Load — Maximum Load indicates the maximum load this tire is designed to carry. Maximum Pressure — Maximum Pressure indicates the maximum permissible cold tire inflation pressure for this tire.

Tire Identification Number (TIN) The TIN may be found on one or both sides of the tire however the date code may only be on one side. Tires with white sidewalls will have the full TIN including date code

located on the white sidewall side of the tire. Look for the TIN on the outboard side of black sidewall tires as mounted on the vehicle. If the TIN is not found on the outboard side then you will find it on the inboard side of the tire.

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DOT = Department of Transportation

—This symbol certifies that the tire is in compliance with the U.S. Department of Transportation tire safety standards, and is approved for highway use.

EXAMPLE:

DOT MA L9 ABCD 0301

MA = Code representing the tire manufacturing location. (2 digits) L9 = Code representing the tire size. (2 digits) ABCD = Code used by tire manufacturer. (1 to 4 digits) 03 = Number representing the week in which the tire was manufactured. (2 digits)

—03 means the 3rd week.

01 = Number representing the year in which the tire was manufactured. (2 digits)

—01 means the year 2001. —Prior to July 2000, tire manufacturers were only required to have 1 number to represent the year in which the tire was manufactured. Example: 031 could represent the 3rd week of 1981 or 1991.

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Tire Loading and Tire Pressure

Tire Placard Location NOTE: The proper cold tire inflation pressure is listed on either the face of the driver’s door or the driver’s side “B” pillar.

Tire and Loading Information Placard

Tire and Loading Information

This placard tells you important information about the: 1) number of people that can be carried in the vehicle 2) the total weight your vehicle can carry

Tire Placard Location

3) the tire size designed for your vehicle 4) the cold tire inflation pressures for the front, rear and spare tires. Loading The vehicle maximum load on the tire must not exceed the load carrying capacity of the tire on your vehicle. You will not exceed the tire’s load carrying capacity if you adhere to the loading conditions, tire size, and cold tire inflation pressures specified on the “Tire and Loading Information” placard and in the “Vehicle Loading” sec- tion of this manual. NOTE: Under a maximum loaded vehicle condition, gross axle weight ratings (GAWR’s) for the front and rear axles must not be exceeded. For further information on GAWR’s, vehicle loading, and trailer towing, refer to the “Vehicle Loading” section of this manual.

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To determine the maximum loading conditions of your vehicle, locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs.” on the Tire and Loading Information placard. The combined weight of occupants, cargo/luggage and trailer tongue weight (if applicable) should never exceed the weight referenced here. Steps for Determining Correct Load Limit 1. Locate the statement “The combined weight of occu- pants and cargo should never exceed XXX pounds” on your vehicle’s placard. 2. Determine the combined weight of the driver and passengers that will be riding in your vehicle. 3. Subtract the combined weight of the driver and pas- sengers from XXX kilograms or XXX pounds.

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4. The resulting figure equals the available amount of cargo and luggage load capacity. For example, if “XXX” amount equals 1400 lbs. and there will be five 150 lb. passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lb. (since 5 x 150 = 750, and 1400 – 750 = 650 lb.) 5. Determine the combined weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity calculated in Step 4. 6. If your vehicle will be towing a trailer, load from your trailer will be transferred to your vehicle. Consult this

manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. NOTE: The following table shows examples on how to calculate total load, cargo/luggage and towing capacities of your vehicle with varying seating configurations and number and size of occupants. This table is for illustra- tion purposes only and may not be accurate for the seating and load carry capacity of your vehicle. NOTE: For the following example the combined weight of occupants and cargo should never exceed 865 lbs. (392
Kg).

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WARNING!

1. Safety—

Overloading of your tires is dangerous. Overloading can cause tire failure, affect vehicle handling, and increase your stopping distance. Use tires of the recommended load capacity for your vehicle. Never overload them.

TIRES—GENERAL INFORMATION

Tire Pressure Proper tire inflation pressure is essential to the safe and satisfactory operation of your vehicle. Three primary areas are affected by improper tire pressure:

WARNING!

Improperly inflated tires are dangerous and can cause acci- dents. • Under inflation increases tire flexing and can result in tire failure. • Over inflation reduces a tire’s ability to cushion shock. Objects on the road and chuck holes can cause damage that results in tire failure. • Unequal tire pressures can cause steering problems. You could lose control of your vehicle. • Over inflated or under inflated tires can affect vehicle handling and can fail suddenly, resulting in loss of vehicle control. • Unequal tire pressures from one side of the vehicle to the other can cause the vehicle to drift to the right or left. Always drive with each tire inflated to the recommended cold tire inflation pressure.

2. Economy— Improper inflation pressures can cause uneven wear patterns to develop across the tire tread. These abnormal wear patterns will reduce tread life resulting in a need for earlier tire replacement. Underinflation also increases tire rolling resistance and results in higher fuel consumption. 3. Ride Comfort and Vehicle Stability— Proper tire inflation contributes to a comfortable ride. Overinflation produces a jarring and uncomfortable ride. Tire Inflation Pressures The proper cold tire inflation pressure is listed on either the face of the driver’s door or the driver’s side “B” pillar. Some vehicles may have Supplemental Tire Pressure Information for vehicle loads that are less than the maximum loaded vehicle condition. These pressure con- ditions will be found in the “Supplemental Tire Pressure Information” section of this manual.

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Tire Placard Location

The pressure should be checked and adjusted as well as inspecting for signs of tire wear or visible damage at least once a month. Use a good quality pocket-type gauge to check tire pressure. Do not make a visual judgement when determining proper inflation. Radial tires may look properly inflated even when they are under inflated.

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CAUTION!

After inspecting or adjusting the tire pressure, al- ways reinstall the valve stem cap–if equipped. This will prevent moisture and dirt from entering the valve stem, which could damage the valve stem.

Inflation pressures specified on the placard are always “cold tire inflation pressure”. Cold tire inflation pressure is defined as the tire pressure after the vehicle has not been driven for at least 3 hours, or driven less than 1 mile (1 km) after a 3 hour period. The cold tire inflation pressure must not exceed the maximum inflation pres- sure molded into the tire side wall. Check tire pressures more often if subject to a wide range of outdoor temperatures, as tire pressures vary with temperature changes.

Tire pressures change by approximately 1 psi (7 kPa) per 12° F (7° C) of air temperature change. Keep this in mind when checking tire pressure inside a garage, especially in the winter. Example: If garage temperature = 68° F (20° C) and the outside temperature = 32° F (0° C) then the cold tire inflation pressure should be increased by 3 psi (21 kPa), which equals 1 psi (7 kPa) for every 12° F (7° C) for this outside temperature condition. Tire pressure may increase from 2 to 6 psi (13 to 40 kPa) during operation. DO NOT reduce this normal pressure build up or your tire pressure will be too low. Tire Pressures for High Speed Operation The manufacturer advocates driving at safe speeds within posted speed limits. Where speed limits or condi- tions are such that the vehicle can be driven at high speeds, maintaining correct tire inflation pressure is very important. Increased tire pressure and reduced vehicle

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loading may be required for high speed vehicle opera- tion. Refer to original equipment or an authorized tire dealer for recommended safe operating speeds, loading and cold tire inflation pressures.

Radial-Ply Tires

WARNING!

WARNING!

High speed driving with your vehicle under maxi- mum load is dangerous. The added strain on your tires could cause them to fail. You could have a serious accident. Don’t drive a vehicle loaded to the maximum capacity at continuous speeds above 75
mph (120 km/h).

Combining radial ply tires with other types of tires on your vehicle will cause your vehicle to handle poorly. The instability could cause an accident. Al- ways use radial ply tires in sets of four (or 6, in case of trucks with dual rear wheels). Never combine them with other types of tires.

Cuts and punctures in radial tires are repairable only in the tread area because of sidewall flexing. Consult your authorized tire dealer for radial tire repairs.

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Compact Spare Tire — If Equipped The compact spare is for temporary emergency use with radial tires. It is engineered to be used on your style vehicle only. Since this tire has limited tread life, the original tire should be repaired (or replaced) and rein- stalled at the first opportunity.

Do not install a wheel cover or attempt to mount a conventional tire on the compact spare wheel, since the wheel is designed specifically for the compact spare. Do not install more than one compact spare tire/wheel on the vehicle at any given time.

WARNING!

CAUTION!

Temporary use spare tires are for emergency use only. With these tires, do not drive more than 50 mph (80 km/h). Temporary-use spare tires have limited tread life. When the tread is worn to the tread wear indicators, the temporary use spare tire needs to be replaced. Be sure to follow the warnings which apply to your spare. Failure to do so could result in spare tire failure and loss of vehicle control.

Because of the reduced ground clearance, do not take your vehicle through an automatic car wash with the compact spare installed. Damage to the vehicle may result.

Limited Use Spare — If Equipped The limited use spare tire is for temporary emergency use on your vehicle. This tire is identified by a limited use spare tire warning label located on the limited use spare tire and wheel assembly. This tire may look like the original equipped tire on the front or rear axle of your vehicle, but it is not. Installation of this limited use spare tire affects vehicle handling. Since it is not the same tire, replace (or repair) the original tire and reinstall on the vehicle at the first opportunity.

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WARNING!

The limited use spare tires are for emergency use only. Installation of this limited use spare tire affects vehicle handling. With this tire, do not drive more than 60 mph (100 km/h). Keep inflated to the cold tire inflation pressure listed on either your tire placard or limited use spare tire and wheel assembly. Replace (or repair) the original tire at the first opportunity and reinstall it on your vehicle. Failure to do so could result in loss of vehicle control.

Tire Spinning When stuck in mud, sand, snow, or ice conditions, do not spin your vehicle’s wheels above 35 mph (55 km/h). See the paragraph on Freeing A Stuck Vehicle in Section 6 of this manual.

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WARNING!

Fast spinning tires can be dangerous. Forces gener- ated by excessive wheel speeds may cause tire dam- age or failure. A tire could explode and injure someone. Do not spin your vehicle’s wheels faster than 35 mph (55 km/h) when you are stuck. And don’t let anyone near a spinning wheel, no matter what the speed.

Tread Wear Indicators Tread wear indicators are in the original equipment tires to help you in determining when your tires should be replaced.

These indicators are molded into the bottom of the tread grooves and will appear as bands when the tread depth becomes 1/16 inch (2 mm). When the tread is worn to the tread wear indicators, the tire should be replaced. Many states have laws requiring tire replacement at this point.

Life of Tire The service life of a tire is dependent upon varying factors including but not limited to: • Driving style • Tire pressure • Distance driven

WARNING!

Tires and spare tire should be replaced after six years, regardless of the remaining tread. Failure to follow this warning can result in sudden tire failure. You could lose control and have an accident result- ing in serious injury or death.

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Keep unmounted tires in a cool, dry place with as little exposure to light as possible. Protect tires from contact with oil, grease and gasoline. Replacement Tires The tires on your new vehicle provide a balance of many characteristics. They should be inspected regularly for wear and correct cold tire inflation pressure. The manu- facturer strongly recommends that you use tires equiva- lent to the originals in size, quality and performance when replacement is needed (see the paragraph on tread wear indicators). Refer to the Tire and Loading Informa- tion placard for the size designation of your tire. The service description and load identification will be found on the original equipment tire. Failure to use equivalent replacement tires may adversely affect the safety, han- dling, and ride of your vehicle. We recommend that you contact your original equipment or an authorized tire dealer with any questions you may have on tire specifi- cations or capability.

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WARNING!

• Do not use a tire, wheel size or rating other than that

specified for your vehicle. Some combinations of unap- proved tires and wheels may change suspension dimen- sions and performance characteristics, resulting in changes to steering, handling, and braking of your vehicle. This can cause unpredictable handling and stress to steering and suspension components. You could lose control and have an accident resulting in serious injury or death. Use only the tire and wheel sizes with load ratings approved for your vehicle.

• Never use a tire with a smaller load index or capacity, other

than what was originally equipped on your vehicle. Using a tire with a smaller load index could result in tire over- loading and failure. You could lose control and have an accident.

• Failure to equip your vehicle with tires having adequate

speed capability can result in sudden tire failure and loss of vehicle control.

CAUTION!

Replacing original tires with tires of a different size may result in false speedometer and odometer read- ings.

Alignment And Balance Poor suspension alignment may result in: • Fast tire wear. • Uneven tire wear, such as feathering and one-sided • Vehicle pull to right or left. Tires may also cause the vehicle to pull to the left or right. Alignment will not correct this condition. See your dealer for proper diagnosis.

wear.

Improper alignment will not cause vehicle vibration. Vibration may be a result of tire and wheel out-of- balance. Proper balancing will reduce vibration and avoid tire cupping and spotty wear.