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4WD Reg Cab Long Box 4WD Extended Cab 4WD Crew Cab
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Width
62.1 inches (157.7 cm) 62.2 inches (158.0 cm) 63.8 inches (162.1 cm) 65.4 inches (166.1 cm) 63.8 inches (162.1 cm) 67.6 inches (171.7 cm) 67.9 inches (172.5 cm)
Front Tread 2WD
0.0 Wheel Offset -6.4 Wheel Offset
. . . . . . . . . . . . . . . . .
54.5 inches (138.4 cm) 55.0 inches (139.6 cm)
4WD
15-inch Tires 31 x 10.5 Tires
. . . . . . . . . . . . . . . . . . . . . . .
Rear Tread 2WD 4WD
. . . . . . . . . . . . . . . . . . . .
15-inch Tires 31 x 10.5 Tires
. . . . . . . . . . . . . . . . . . . . . . .
57.3 inches (145.4 cm) 61.2 inches (155.4 cm)
54.7 inches (138.8 cm)
55.1 inches (139.9 cm) 59.1 inches (150.0 cm)
*Figures reflect base equipment only.
6-73
Section 7 Maintenance Schedule
This section covers the maintenance required for your vehicle. Your vehicle needs these services to retain its safety, dependability and emission control performance.
7-2
7-4
7-6
7-8
7-30Introduction Part A: Scheduled Maintenance Services Scheduled Maintenance Short Trip/City Scheduled Maintenance Long Trip/Highway Scheduled Maintenance
7-43
7-48
7-50
7-53Part B: Owner Checks and Services Part C: Periodic Maintenance Inspections Part D: Recommended Fluids and Lubricants Part E: Maintenance Record
7-
7-1
Introduction Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but also helps the environment. All recommended maintenance procedures are important. Improper vehicle maintenance can even affect the quality of the air we breathe. Improper fluid levels or the wrong tire inflation can increase the level of emissions from your vehicle. To help protect our environment, and to keep your vehicle in good condition, please maintain your vehicle properly. Maintenance Requirements Maintenance intervals, checks, inspections and recommended fluids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow recommended maintenance may not be covered by warranty.
Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet or your dealer for details.
7-2
How This Section is Organized This maintenance schedule is divided into five parts: “Part A: Scheduled Maintenance Services” shows what to have done and how often. Some of these services can be complex, so unless you are technically qualified and have the necessary equipment, you should let your dealer’s service department or another qualified service center do these jobs.
CAUTION:
Performing maintenance work on a vehicle can be dangerous. In trying to do some jobs, you can be seriously injured. Do your own maintenance work only if you have the required know-how and the proper tools and equipment for the job. If you have any doubt, have a qualified technician do the work.
If you want to get the service information, see “Service and Owner Publications” in the Index.
“Part B: Owner Checks and Services” tells you what should be checked and when. It also explains what you can easily do to help keep your vehicle in good condition. “Part C: Periodic Maintenance Inspections” explains important inspections that your dealer’s service department or another qualified service center should perform. “Part D: Recommended Fluids and Lubricants” lists some recommended products necessary to help keep your vehicle properly maintained. These products, or their equivalents, should be used whether you do the work yourself or have it done. “Part E: Maintenance Record” is a place for you to record and keep track of the maintenance performed on your vehicle. Keep your maintenance receipts. They may be needed to qualify your vehicle for warranty repairs.
7-3
Part A: Scheduled Maintenance Services Using Your Maintenance Schedule We at General Motors want to help you keep your vehicle in good working condition. But we don’t know exactly how you’ll drive it. You may drive very short distances only a few times a week. Or you may drive long distances all the time in very hot, dusty weather. You may use your vehicle in making deliveries. Or you may drive it to work, to do errands or in many other ways. Because of all the different ways people use their vehicles, maintenance needs vary. You may need more frequent checks and replacements. So please read the following and note how you drive. If you have any questions on how to keep your vehicle in good condition, see your dealer. This part tells you the maintenance services you should have done and when you should schedule them. If you go to your dealer for your service needs, you’ll know that GM-trained and supported service people will perform the work using genuine GM parts.
The proper fluids and lubricants to use are listed in Part D. Make sure whoever services your vehicle uses these. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. These schedules are for vehicles that: D carry passengers and cargo within recommended limits. You will find these limits on your vehicle’s Certification/Tire label. See “Loading Your Vehicle” in the Index.
D are driven on reasonable road surfaces within legal
driving limits.
D are driven off-road in the recommended manner.
See “Off-Road Driving With Your Four-Wheel-Drive Vehicle” in the Index.
D use the recommended fuel. See “Fuel” in the Index. Selecting the Right Schedule First you’ll need to decide which of the two schedules is right for your vehicle. Here’s how to decide which schedule to follow:
7-4
Scheduled Maintenance
Short Trip/City Definition
Short Trip/City Intervals
Follow the Short Trip/City Scheduled Maintenance if any one of these conditions is true for your vehicle: D Most trips are less than 5 to 10 miles (8 to 16 km).
This is particularly important when outside temperatures are below freezing.
D Most trips include extensive idling (such as frequent
driving in stop-and-go traffic).
D Your vehicle has the 2200 L4 (Code 5) flexible
fuel engine and you have used ethanol fuel (85% Ethanol/E-85).
D You operate your vehicle in dusty areas or
off-road frequently.
D You frequently tow a trailer. D If the vehicle is used for delivery service, police, taxi
or other commercial application.
One of the reasons you should follow this schedule if you operate your vehicle under any of these conditions is that these conditions cause engine oil to break down sooner.
Every 3,000 Miles (5 000 km): Engine Oil and
Filter Change (or 3 months, whichever occurs first). Chassis Lubrication (or 3 months, whichever occurs first). Drive Axle Service (or 3 months, whichever occurs first).
Every 6,000 Miles (10 000 km): Tire Rotation. Every 15,000 Miles (25 000 km): Engine Air Cleaner Filter Inspection, if driving in dusty conditions. Front Wheel Bearing Repack (2WD only) (or at each brake relining, whichever occurs first). Automatic Transmission Service (severe conditions only).
Every 30,000 Miles (50 000 km): Engine Air
Cleaner Filter Replacement. Fuel Filter Replacement (4.3L V6 engine only).
Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions).
(Continued)
7-5
Scheduled Maintenance
Short Trip/City Intervals
Long Trip/Highway Definition
Every 60,000 Miles (100 000 km): Engine Accessory
Drive Belt Inspection.
Every 90,000 Miles (150 000 km): Fuel Filter
Replacement (2200 L4 engine only).
Every 100,000 Miles (166 000 km): Spark Plug Wire
Inspection. Spark Plug Replacement. 4.3L V6 Engine Only: Positive Crankcase Ventilation (PCV) Valve Inspection.
Every 150,000 Miles (240 000 km): Cooling System
Service (or every 60 months, whichever occurs first).
These intervals only summarize maintenance services. Be sure to follow the complete scheduled maintenance on the following pages.
Follow this scheduled maintenance only if none of the conditions from the Short Trip/City Scheduled Maintenance are true. Do not use this schedule if the vehicle is used for trailer towing, driven in a dusty area or used off paved roads. Do not use this schedule if you have the 2200 L4 (Code 5) flexible fuel engine and you have used ethanol fuel (85% Ethanol/E-85). Use the Short Trip/City schedule for these conditions. Driving a vehicle with a fully warmed engine under highway conditions causes engine oil to break down slower.
7-6
Scheduled Maintenance
Long Trip/Highway Intervals
Long Trip/Highway Intervals
Every 7,500 Miles (12 500 km): Engine Oil and Filter Change (or every 12 months, whichever occurs first). Chassis Lubrication (or every 12 months, whichever occurs first). Drive Axle Service. Tire Rotation.
Every 15,000 Miles (25 000 km): Automatic
Transmission Service (severe conditions only).
Every 30,000 Miles (50 000 km): Fuel Filter
Replacement (4.3L V6 engine only). Engine Air Cleaner Filter Replacement. Front Wheel Bearing Repack (2WD only) (or at each brake relining, whichever occurs first).
Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions).
Every 60,000 Miles (100 000 km): Engine Accessory
Drive Belt Inspection.
Every 90,000 Miles (150 000 km): Fuel Filter
Replacement (2200 L4 engine only).
Every 100,000 Miles (166 000 km): Spark Plug Wire
Inspection. Spark Plug Replacement. 4.3L V6 Engine Only: Positive Crankcase Ventilation (PCV) Valve Inspection.
Every 150,000 Miles (240 000 km): Cooling System
Service (or every 60 months, whichever occurs first).
These intervals only summarize maintenance services. Be sure to follow the complete scheduled maintenance on the following pages.
7-7
Short Trip/City Scheduled Maintenance
The services shown in this schedule up to 100,000 miles (166 000 km) should be performed after 100,000 miles (166 000 km) at the same intervals. The services shown at 150,000 miles (240 000 km) should be performed at the same interval after 150,000 miles (240 000 km). See “Owner Checks and Services” and “Periodic Maintenance Inspections” following. Footnotes [ The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded.
# Lubricate the front suspension, ball joints, steering linkage, parking brake cable guides, propshaft splines, universal joints and brake pedal springs. + A good time to check your brakes is during tire rotation. See “Brake System Inspection” under “Periodic Maintenance Inspections” in Part C of this schedule. ** Drive axle service. See “Recommended Fluids and Lubricants” in the Index for proper lubricant to use: D Check fluid level and add fluid as needed. If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km).
D If your vehicle has a locking differential, drain fluid
and refill at first engine oil change.
D More frequent lubrication may be required for
heavy-duty or off-road use.
7-8
Short Trip/City Scheduled Maintenance
3,000 Miles (5 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
6,000 Miles (10 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-9
Short Trip/City Scheduled Maintenance
9,000 Miles (15 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
12,000 Miles (20 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-10
Short Trip/City Scheduled Maintenance
15,000 Miles (25 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary. An Emission Control Service. (See footnote [.)
DATE
ACTUAL MILEAGE
SERVICED BY:
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
7-11
Short Trip/City Scheduled Maintenance
18,000 Miles (30 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
21,000 Miles (35 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
24,000 Miles (40 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
7-12
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
Short Trip/City Scheduled Maintenance
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
27,000 Miles (45 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
30,000 Miles (50 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
(Continued)
7-13
Short Trip/City Scheduled Maintenance
30,000 Miles (50 000 km) (Continued) j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j 4.3L V6 Engine Only: Replace fuel filter.
An Emission Control Service. (See footnote [.)
j Replace engine air cleaner filter.
An Emission Control Service.
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
7-14
Short Trip/City Scheduled Maintenance
33,000 Miles (55 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
36,000 Miles (60 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-15
Short Trip/City Scheduled Maintenance
39,000 Miles (65 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
42,000 Miles (70 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-16
Short Trip/City Scheduled Maintenance
45,000 Miles (75 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
DATE
ACTUAL MILEAGE
SERVICED BY:
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary. An Emission Control Service. (See footnote [.)
7-17
Short Trip/City Scheduled Maintenance
48,000 Miles (80 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
50,000 Miles (83 000 km) j If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn’t require change.
51,000 Miles (85 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
7-18
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
DATE
ACTUAL MILEAGE
SERVICED BY:
SERVICED BY:
Short Trip/City Scheduled Maintenance
54,000 Miles (90 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
57,000 Miles (95 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-19
Short Trip/City Scheduled Maintenance
60,000 Miles (100 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
DATE
ACTUAL MILEAGE
SERVICED BY:
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Inspect engine accessory drive belt.
An Emission Control Service.
j 4.3L V6 Engine Only: Replace fuel filter.
An Emission Control Service. (See footnote [.)
7-20
Short Trip/City Scheduled Maintenance
j Replace engine air cleaner filter.
An Emission Control Service.
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
63,000 Miles (105 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
66,000 Miles (110 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-21
Short Trip/City Scheduled Maintenance
69,000 Miles (115 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
72,000 Miles (120 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-22
Short Trip/City Scheduled Maintenance
75,000 Miles (125 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
DATE
ACTUAL MILEAGE
SERVICED BY:
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary. An Emission Control Service. (See footnote [.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
7-23
Short Trip/City Scheduled Maintenance
78,000 Miles (130 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
81,000 Miles (135 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-24
Short Trip/City Scheduled Maintenance
84,000 Miles (140 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
87,000 Miles (145 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-25
Short Trip/City Scheduled Maintenance
90,000 Miles (150 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
DATE
ACTUAL MILEAGE
SERVICED BY:
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Replace fuel filter.
An Emission Control Service. (See footnote [.)
7-26
Short Trip/City Scheduled Maintenance
j Replace engine air cleaner filter.
An Emission Control Service.
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
93,000 Miles (155 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
96,000 Miles (160 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-27
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
Short Trip/City Scheduled Maintenance
99,000 Miles (165 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
100,000 Miles (166 000 km) j Inspect spark plug wires.
An Emission Control Service.
j Replace spark plugs.
An Emission Control Service.
j If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn’t require change.
j 4.3L V6 Engine Only: Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
7-28
Short Trip/City Scheduled Maintenance
150,000 Miles (240 000 km) j Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). See “Engine Coolant” in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
7-29
Long Trip/Highway Scheduled Maintenance
The services shown in this schedule up to 100,000 miles (166 000 km) should be performed after 100,000 miles (166 000 km) at the same intervals. The services shown at 150,000 miles (240 000 km) should be performed at the same interval after 150,000 miles (240 000 km). See “Owner Checks and Services” and “Periodic Maintenance Inspections” following. Footnotes [ The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded.
# Lubricate the front suspension, ball joints, steering linkage, parking brake cable guides, propshaft splines, universal joints and brake pedal springs. + A good time to check your brakes is during tire rotation. See “Brake System Inspection” under “Periodic Maintenance Inspections” in Part C of this schedule. ** Drive axle service. See “Recommended Fluids and Lubricants” in the Index for proper lubricant to use: D Check fluid level and add fluid as needed. D If your vehicle has a locking differential, drain fluid
and refill at first engine oil change.
7-30
Long Trip/Highway Scheduled Maintenance
7,500 Miles (12 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
15,000 Miles (25 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
(Continued)
7-31
Long Trip/Highway Scheduled Maintenance
15,000 Miles (25 000 km) (Continued) j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
22,500 Miles (37 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
7-32
DATE
ACTUAL MILEAGE
SERVICED BY:
Long Trip/Highway Scheduled Maintenance
30,000 Miles (50 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
(Continued)
7-33
Long Trip/Highway Scheduled Maintenance
30,000 Miles (50 000 km) (Continued) j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
j 4.3L V6 Engine Only: Replace fuel filter.
An Emission Control Service. (See footnote [.)
j Replace engine air cleaner filter.
An Emission Control Service.
37,500 Miles (62 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
7-34
Long Trip/Highway Scheduled Maintenance
45,000 Miles (75 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
7-35
Long Trip/Highway Scheduled Maintenance
50,000 Miles (83 000 km) j If you haven’t used your vehicle under severe conditions listed previously and, therefore, haven’t changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn’t require change.
DATE
ACTUAL MILEAGE
SERVICED BY:
52,500 Miles (87 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
60,000 Miles (100 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
7-36
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
Long Trip/Highway Scheduled Maintenance
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
j Inspect engine accessory drive belt.
An Emission Control Service.
j 4.3L V6 Engine Only: Replace fuel filter.
An Emission Control Service. (See footnote [.)
j Replace engine air cleaner filter.
An Emission Control Service.
7-37
Long Trip/Highway Scheduled Maintenance
67,500 Miles (112 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
75,000 Miles (125 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
DATE
ACTUAL MILEAGE
SERVICED BY:
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher.
7-38
Long Trip/Highway Scheduled Maintenance
– In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
82,500 Miles (137 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
7-39
Long Trip/Highway Scheduled Maintenance
90,000 Miles (150 000 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions: – In heavy city traffic where the outside temperature regularly
reaches 90_F (32_C) or higher. – In hilly or mountainous terrain. – When doing frequent trailer towing. – Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, change the fluid and filter every 50,000 miles (83 000 km).
7-40
Long Trip/Highway Scheduled Maintenance
j Replace fuel filter.
An Emission Control Service. (See footnote [.)
j Replace engine air cleaner filter.
An Emission Control Service.
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
97,500 Miles (162 500 km) j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote +.)
DATE
ACTUAL MILEAGE
SERVICED BY:
7-41
Long Trip/Highway Scheduled Maintenance
100,000 Miles (166 000 km) j Inspect spark plug wires.
An Emission Control Service.
j Replace spark plugs.
An Emission Control Service.
j If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn’t require change.
j 4.3L V6 Engine Only: Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km) j Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). See “Engine Coolant” in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. An Emission Control Service.
DATE
ACTUAL MILEAGE
SERVICED BY:
DATE
ACTUAL MILEAGE
SERVICED BY:
7-42
Part B: Owner Checks and Services Listed in this part are owner checks and services which should be performed at the intervals specified to help ensure the safety, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once. Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Part D. At Each Fuel Fill It is important for you or a service station attendant to perform these underhood checks at each fuel fill.
Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See “Engine Oil” in the Index for further details.
Engine Coolant Level Check Check the engine coolant level and add DEX-COOLR coolant mixture if necessary. See “Engine Coolant” in the Index for further details.
Windshield Washer Fluid Level Check Check the windshield washer fluid level in the windshield washer tank and add the proper fluid if necessary. See “Windshield Washer Fluid” in the Index for further details. At Least Once a Month
Tire Inflation Check Make sure tires are inflated to the correct pressures. Don’t forget to check your spare tire. See “Tires” in the Index for further details.
Cassette Deck Service Clean cassette deck. Cleaning should be done every 50 hours of tape play. See “Audio Systems” in the Index for further details.
7-43
At Least Twice a Year
Restraint System Check Make sure the safety belt reminder light and all your belts, buckles, latch plates, retractors and anchorages are working properly. Look for any other loose or damaged safety belt system parts. If you see anything that might keep a safety belt system from doing its job, have it repaired. Have any torn or frayed safety belts replaced. Also look for any opened or broken air bag coverings, and have them repaired or replaced. (The air bag system does not need regular maintenance.)
Wiper Blade Check Inspect wiper blades for wear or cracking. Replace blade inserts that appear worn or damaged or that streak or miss areas of the windshield. Also see “Wiper Blades, Cleaning” in the Index.
Spare Tire Check At least twice a year, after the monthly inflation check of the spare tire determines that the spare is inflated to the correct tire inflation pressure, make sure that the spare tire is stored securely. Push, pull, and then try to rotate or turn the tire. If it moves, use the wheel wrench to tighten the cable. See “Storing the Spare Tire and Tools” in the Index.
Weatherstrip Lubrication Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth. During very cold, damp weather more frequent application may be required. See “Recommended Fluids and Lubricants” in the Index.
7-44
Manual Transmission Check Check the transmission fluid level; add if needed. See “Manual Transmission Fluid” in the Index. Check for leaks. A fluid leak is the only reason for fluid loss. Have the system inspected and repaired if needed.
Automatic Transmission Check Check the transmission fluid level; add if needed. See “Automatic Transmission Fluid” in the Index. A fluid loss may indicate a problem. Check the system and repair if needed.
Hydraulic Clutch System Check Check the fluid level in the clutch reservoir. See “Hydraulic Clutch Fluid” in the Index. A fluid loss in this system could indicate a problem. Have the system inspected and repaired at once.
At Least Four Times a Year
Tailgate Lubrication Service Lubricate tailgate latch bolt, handle assembly pivot points, and hinges with lubricant recommended in Part D. At Least Once a Year
Key Lock Cylinders Service Lubricate the key lock cylinders with the lubricant specified in Part D.
Body Lubrication Service Lubricate all body door and fuel door hinges, latches and locks including the glove box, console doors, the body hood, secondary latch, pivots, spring anchor, release pawl, and any moving seat hardware. Lubricate the hood safety lever pivot and prop rod pivot. Part D tells you what to use. More frequent lubrication may be required when exposed to a corrosive environment.
7-45
Starter Switch Check
CAUTION:
When you are doing this check, the vehicle could move suddenly. If it does, you or others could be injured. Follow the steps below.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular brake. See “Parking Brake” in the Index if necessary. NOTE: Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. 3. On automatic transmission vehicles, try to start the engine in each gear. The starter should work only in PARK (P) or NEUTRAL (N). If the starter works in any other position, your vehicle needs service. On manual transmission vehicles, put the shift lever in NEUTRAL (N), push the clutch down halfway and try to start the engine. The starter should work only when the clutch is pushed down all the way to the floor. If the starter works when the clutch isn’t pushed all the way down, your vehicle needs service.
7-46
Automatic Transmission Shift Lock Control System Check
CAUTION:
When you are doing this check, the vehicle could move suddenly. If it does, you or others could be injured. Follow the steps below.
1. Before you start, be sure you have enough
room around the vehicle. It should be parked on a level surface.
2. Firmly apply the parking brake. See “Parking Brake”
in the Index if necessary. NOTE: Be ready to apply the regular brake immediately if the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but don’t start the engine. Without applying the regular brake, try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out of PARK (P), your vehicle needs service.
Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. D With an automatic transmission, the key should turn to LOCK only when the shift lever is in PARK (P). D With a manual transmission, the key should turn to LOCK only when you press the key release button.
On all vehicles, the key should come out only in LOCK.
Parking Brake and Automatic Transmission PARK (P) Mechanism Check
CAUTION:
When you are doing this check, your vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of your vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. D To check the parking brake’s holding ability: With the engine running and transmission in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.
D To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P). Then release the parking brake followed by the regular brake.
Underbody Flushing Service At least every spring, use plain water to flush any corrosive materials from the underbody. Take care to clean thoroughly any areas where mud and other debris can collect.
7-47
Part C: Periodic Maintenance Inspections Listed in this part are inspections and services which should be performed at least twice a year (for instance, each spring and fall). You should let your dealer’s service department or other qualified service center do these jobs. Make sure any necessary repairs are completed at once. Proper procedures to perform these services may be found in a service manual. See “Service and Owner Publications” in the Index. Steering, Suspension and Front Drive Axle Boot and Seal Inspection Inspect the front and rear suspension and steering system for damaged, loose or missing parts, signs of wear or lack of lubrication. Inspect the power steering lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Clean and then inspect the drive axle boot seals for damage, tears or leakage. Replace seals if necessary.
Exhaust System Inspection Inspect the complete exhaust system. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts as well as open seams, holes, loose connections or other conditions which could cause a heat build-up in the floor pan or could let exhaust fumes into the vehicle. See “Engine Exhaust” in the Index. Engine Cooling System Inspection Inspect the hoses and have them replaced if they are cracked, swollen or deteriorated. Inspect all pipes, fittings and clamps; replace as needed. Clean the outside of the radiator and air conditioning condenser. To help ensure proper operation, a pressure test of the cooling system and pressure cap is recommended at least once a year. Throttle System Inspection Inspect the throttle system for interference or binding, and for damaged or missing parts. Replace parts as needed. Replace any components that have high effort or excessive wear. Do not lubricate accelerator and cruise control cables.
7-48
Transfer Case and Front Axle (Four-Wheel Drive) Inspection Every 12 months or at engine oil change intervals, check front axle and transfer case and add lubricant when necessary. A fluid loss could indicate a problem; check and have it repaired, if needed. Check vent hose at transfer case for kinks and proper installation. More frequent lubrication may be required on off-road use.
Brake System Inspection Inspect the complete system. Inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Also inspect drum brake linings for wear and cracks. Inspect other brake parts, including drums, wheel cylinders, calipers, parking brake, etc. Check parking brake adjustment. You may need to have your brakes inspected more often if your driving habits or conditions result in frequent braking.
7-49
Part D: Recommended Fluids and Lubricants NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your dealer.
USAGE
Engine Oil
Engine Coolant
FLUID/LUBRICANT
Engine oil with the American Petroleum Institute Certified for Gasoline Engines starburst symbol of the proper viscosity. To determine the preferred viscosity for your vehicle’s engine, see “Engine Oil” in the Index.
50/50 mixture of clean, drinkable water and use only GM GoodwrenchR DEX-COOLR or HavolineR DEX-COOLR Coolant. See “Engine Coolant” in the Index.
USAGE
Hydraulic Brake System
Windshield Washer Solvent
Hydraulic Clutch System
Power Steering System
Manual Transmission with V6 Engine
Manual Transmission with L4 Engine
FLUID/LUBRICANT Delco Supreme 11R Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 brake fluid). GM OptikleenR Washer Solvent (GM Part No. 1051515) or equivalent.
Hydraulic Clutch Fluid (GM Part No. 12345347 or equivalent DOT-3 brake fluid). GM Power Steering Fluid (GM Part No. 1052884 - 1 pint, 1050017 - 1 quart, or equivalent). Synchromesh Transmission Fluid (GM Part No. 12345349 or equivalent).
Friction Modified Synchromesh Transmission Fluid (GM Part No. 12377916).
7-50
USAGE
Automatic Transmission
Key Lock Cylinders
Chassis Lubrication
Front Wheel Bearings
Front and Rear Axle (Standard Differential)
FLUID/LUBRICANT DEXRONR-III Automatic Transmission Fluid. Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent).
Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Wheel bearing lubricant meeting requirements of NLGI # 2, Category GC or GC-LB (GM Part No. 1051344 or equivalent). SAE 80W-90 Axle Lubricant (GM Part No. 1052271 or equivalent).
USAGE
Rear Axle (Locking Differential)
Automatic Transfer Case
Transfer Case Shift Lever
Rear Driveline Center Spline and Universal Joints
Constant Velocity Universal Joint
FLUID/LUBRICANT
Axle Lubricant; use only GM Part No. 1052271. Do not add friction modifier. AUTO-TRAK II Fluid (GM Part No. 12378508).
Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB.
7-51
USAGE
FLUID/LUBRICANT
Clutch Pushrod to Clutch Fork Joint
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl
Hood and Door Hinges
Chassis Lubricant (GM Part No. 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. LubriplateR Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB.
Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent).
USAGE
Fuel Filler Door and Rear Seat
Tailgate Handle Pivot Points, Hinges, Latch Bolt and Linkage
Weatherstrip Conditioning
Weatherstrip Squeaks
FLUID/LUBRICANT Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent). Multi-Purpose Lubricant, SuperlubeR (GM Part No. 12346241 or equivalent).
Dielectric Silicone Grease (GM Part No. 12345579 or equivalent).
Synthetic Grease with Teflon, SuperlubeR (GM Part No. 12371287 or equivalent).
7-52
Part E: Maintenance Record After the scheduled services are performed, record the date, odometer reading and who performed the service in the
