2004 Chevrolet Astro Owners Manual

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Your dealer will know the kind of wheel you need. Each new wheel should have the same load-carrying capacity, diameter, width, offset and be mounted the same way as the one it replaces. If you need to replace any of your wheels, wheel bolts or wheel nuts, replace them only with new GM original equipment parts. This way, you will be sure to have the right wheel, wheel bolts and wheel nuts for your vehicle. Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire or tire chain clearance to the body and chassis. See ChangingaFlatTireonpage5-75 for more information. Used Replacement Wheels {CAUTION: {CAUTION: Using the wrong replacement wheels, wheel bolts or wheel nuts on your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You could have a collision in which you or others could be injured. Always use the correct wheel, wheel bolts and wheel nuts for replacement. Putting a used wheel on your vehicle is dangerous. You can’t know how it’s been used or how far it’s been driven. It could fail suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel. 5-73 Tire Chains Notice: Use tire chains only where legal and only when you must. Use only SAE Class † S† that are the proper size for your tires. Install them on the rear axle tires and tighten them as tightly as possible with the ends securely fastened. Drive slowly and follow the chain manufacturer’s instructions. If you can hear the chains contacting your vehicle, stop and retighten them. If the contact continues, slow down until it stops. Driving too fast or spinning the wheels with chains on will damage your vehicle. type chains If a Tire Goes Flat It’s unusual for a tire to “blowout” while you’re driving, especially if you maintain your tires properly. If air goes out of a tire, it’s much more likely to leak out slowly. But if you should ever have a “blowout,” here are a few tips about what to expect and what to do: If a front tire fails, the ﬂat tire will create a drag that pulls the vehicle toward that side. Take your foot off the accelerator pedal and grip the steering wheel ﬁrmly. Steer to maintain lane position, and then gently brake to a stop well out of the traffic lane. A rear blowout, particularly on a curve, acts much like a skid and may require the same correction you’d use in a skid. In any rear blowout, remove your foot from the accelerator pedal. Get the vehicle under control by steering the way you want the vehicle to go. It may be very bumpy and noisy, but you can still steer. Gently brake to a stop, well off the road if possible. {CAUTION: Lifting a vehicle and getting under it to do maintenance or repairs is dangerous without the appropriate safety equipment and training. The jack provided with your vehicle is designed only for changing a ﬂat tire. If it is used for anything else, you or others could be badly injured or killed if the vehicle slips off the jack. Use the jack provided with your vehicle only for changing a ﬂat tire. If a tire goes ﬂat, the next part shows how to use your jacking equipment to change a ﬂat tire safely. 5-74 Changing a Flat Tire If a tire goes ﬂat, avoid further tire and wheel damage by driving slowly to a level place. Turn on your hazard warning ﬂashers. {CAUTION: Changing a tire can be dangerous. The vehicle can slip off the jack and roll over or fall on you or other people. You and they could be badly injured or even killed. Find a level place to change your tire. To help prevent the vehicle from moving: 1. Set the parking brake ﬁrmly. 2. Put the shift lever in PARK (P). 3. Turn off the engine and do not restart while the vehicle is raised. 4. Do not allow passengers to remain in the vehicle. 5. Put the wheel blocks at the front and rear of the tire farthest away from the one being changed. That would be the tire on the other side, at the opposite end of the vehicle. The following steps will tell you how to use the jack and change a tire. Notice: If you remove or restow a tire from/to the storage position under the vehicle when it is supported by a jack, you could damage the tire and/or your vehicle. Always remove or restow a tire when the vehicle is on the ground. 5-75 Removing the Spare Tire and Tools The jacking equipment you’ll need is stored by your vehicle’s rear doors, along the passenger’s side wall. 1. Remove the jack cover by pulling it away from the side wall and down to release the tabs securing the top of the cover. 2. Remove the wheel blocks by turning the top nut counterclockwise. Remove the nut and washer, then pull the wheel blocks off the bolt. 3. Push down on the bolt and remove the hooked end from the slot. Slide the jack toward the front of the vehicle and lift it from the mounting. Remove the extension and the ratchet from the pouch. 5-76 Your compact spare tire is stored underneath the rear of your vehicle. You will use the ratchet and extension to lower the compact spare tire. The ratchet has an UP side. It also has a DOWN side. 4. Attach the ratchet to the extension, with the DOWN side facing you. The extension has a socket end and a ﬂat chisel end. 5-77 5. Put the ﬂat end of the extension on an angle through the hole in the rear door frame, above the bumper. Be sure the ﬂat end connects into the hoist shaft. 7. When the tire has been lowered, tilt the retainer plate at the end of the cable and pull it through the wheel opening. 8. Pull the tire out from under the vehicle. Notice: If you drive away before the spare tire or secondary latch system cable has been reinstalled, you could damage your vehicle. Always reinstall this cable before driving your vehicle. 6. Turn the ratchet counterclockwise to lower the compact spare tire to the ground. Keep turning the ratchet until the spare tire can be pulled out from under the vehicle. 5-78 The tools you’ll be using include the jack (A), wheel blocks (B), extension (C) and ratchet (D). Removing the Wheel Covers If your vehicle has plastic wheel nut caps, loosen them by turning the wheel wrench counterclockwise. The wheel nut caps are designed to remain with the center cap. Remove the center cap. If the wheel has a smooth center piece, place the chisel end of the wheel wrench in the slot on the wheel and gently pry it out. 5-79 Removing the Flat Tire and Installing the Spare Tire 1. Before you start, block the front and rear of the tire farthest away from the one being changed. Then put your compact spare tire near the ﬂat tire. 2. With the DOWN side facing you, turn the ratchet and socket to loosen all the wheel nuts counterclockwise. Don’t remove them yet. 3. The jack has a bolt on the end. Attach the socket end of the extension to the jack bolt. {CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. {CAUTION: Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to ﬁt the jack lift head into the proper location before raising the vehicle. 5-80 4. Attach the ratchet to the extension with the UP side facing you. 5. Turn the ratchet clockwise. That will raise the jack lift head a little. 6. Position the jack under the vehicle. Front Position A. Front Jack Location B. Jack C. Ratchet and Extension 5-81 Rear Position A. Rear Jack Location B. Jack C. Ratchet and Extension 7. Raise the vehicle by turning the ratchet clockwise. Make sure the UP mark faces you. Raise the vehicle far enough off the ground so there is enough room for the compact spare tire to ﬁt underneath the wheel well. 8. Remove all the wheel nuts and take off the ﬂat tire. 9. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. 5-82 10. Put on the compact spare tire. Put the nuts on by hand. Make sure the cone-shaped end is toward the wheel. Tighten each nut by hand until the wheel is held against the hub. If a nut can’t be turned by hand, use the extension and see your dealer as soon as possible. {CAUTION: Rust or dirt on the wheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from the places where the wheel attaches to the vehicle. In an emergency, you can use a cloth or a paper towel to do this; but be sure to use a scraper or wire brush later, if you need to, to get all the rust or dirt off. {CAUTION: Never use oil or grease on studs or nuts. If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 11. Lower the vehicle by turning the ratchet counterclockwise. Lower the jack completely. 5-83 12. Tighten the wheel nuts ﬁrmly in a crisscross sequence as shown. Turn the ratchet clockwise with the UP mark facing you. {CAUTION: Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to come loose and even come off. This could lead to an accident. Be sure to use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. CAUTION: (Continued) 5-84 CAUTION: (Continued) Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque speciﬁcation. See “Capacities and Speciﬁcations” in the Index for wheel nut torque speciﬁcation. Notice: Improperly tightened wheel nuts can lead to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque speciﬁcation. See “Capacities and Speciﬁcations” in the index for the wheel nut torque speciﬁcation. 13. Remove the wheel blocks. Notice: Wheel covers will not ﬁt on your compact spare. If you try to put a wheel cover on the compact spare, you could damage the cover or the spare. 4. Raise the tire fully against the underside of the vehicle by turning the ratchet/wheel wrench until you hear two clicks or feel it skip twice. The spare tire hoist cannot be overtightened. Storing a Flat or Spare Tire and Tools {CAUTION: Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. 1. Put the ﬂat tire on the ground at the rear of the vehicle with the valve stem pointed down. 2. Tilt the retainer plate downward and through the wheel opening. Make sure it is fully seated across the underside of the wheel. Attach the ratchet, with the UP side facing you, to the extension. 3. Put the ﬂat end of the extension on an angle through the hole in the rear door frame, above the bumper. The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can. See CompactSpareTire onpage5-86. See the storage instructions label to restore your compact spare properly. 5. Make sure the tire is stored securely. Push, pull, and then try to rotate or turn the tire. If the tire moves, use the ratchet/wheel wrench to tighten the cable. Return the jacking equipment to its proper location. 5-85 Compact Spare Tire Although the compact spare tire was fully inﬂated when your vehicle was new, it can lose air after a time. Check the inﬂation pressure regularly. It should be 60 psi (420 kPa). After installing the compact spare on your vehicle, you should stop as soon as possible and make sure your spare tire is correctly inﬂated. The compact spare is made to perform well at speeds up to 65 mph (105 km/h) for distances up to 3,000 miles (5 000 km), so you can ﬁnish your trip and have your full-size tire repaired or replaced where you want. Of course, it’s best to replace your spare with a full-size tire as soon as you can. Your spare will last longer and be in good shape in case you need it again. Notice: When the compact spare is installed, don’t take your vehicle through an automatic car wash with guide rails. The compact spare can get caught on the rails. That can damage the tire and wheel, and maybe other parts of your vehicle. Don’t use your compact spare on other vehicles. And don’t mix your compact spare tire or wheel with other wheels or tires. They won’t ﬁt. Keep your spare tire and its wheel together. Notice: Tire chains won’t ﬁt your compact spare. Using them can damage your vehicle and can damage the chains too. Don’t use tire chains on your compact spare. 5-86 Appearance Care Remember, cleaning products can be hazardous. Some are toxic. Others can burst into ﬂames if you strike a match or get them on a hot part of the vehicle. Some are dangerous if you breathe their fumes in a closed space. When you use anything from a container to clean your vehicle, be sure to follow the manufacturer’s warnings and instructions. And always open your doors or windows when you are cleaning the inside. Never use these to clean your vehicle: • Gasoline • Benzene • Naphtha • Carbon Tetrachloride • Acetone • Paint Thinner • Turpentine • Lacquer Thinner • Nail Polish Remover They can all be hazardous — some more than others — and they can all damage your vehicle, too. Do not use any of these unless this manual says you can. In many uses, these will damage your vehicle: • Alcohol • Laundry Soap • Bleach • Reducing Agents Cleaning the Inside of Your Vehicle Use a vacuum cleaner often to get rid of dust and loose dirt. Wipe vinyl, leather, plastic and painted surfaces with a clean, damp cloth. Cleaning Fabric/Carpet Your dealer has cleaners for the cleaning of fabric and carpet. They will clean normal spots and stains very well. You can get GM-approved cleaning products from your dealer. See VehicleCare/AppearanceMaterialson page5-94. Here are some cleaning tips: • Always read the instructions on the cleaner label. • Clean up stains as soon as you can — before they set. • Carefully scrape off any excess stain. • Use a clean cloth or sponge, and change to a clean area often. A soft brush may be used if stains are stubborn. • If a ring forms on fabric after spot cleaning, clean the entire area immediately or it will set. Using Cleaner on Fabric 1. Vacuum and brush the area to remove any loose dirt. 2. Always clean a whole trim panel or section. Mask surrounding trim along stitch or welt lines. 3. Follow the directions on the container label. 4. Apply cleaner with a clean sponge. Do not saturate the material and do not rub it roughly. 5. As soon as you have cleaned the section, use a sponge to remove any excess cleaner. 6. Wipe cleaned area with a clean, water-dampened towel or cloth. 7. Wipe with a clean cloth and let dry. 5-87 Cleaning Vinyl Use warm water and a clean cloth. • Rub with a clean, damp cloth to remove dirt. You may have to do this more than once. • Things like tar, asphalt and shoe polish will stain if you do not get them off quickly. Use a clean cloth and vinyl cleaner. See your dealer for this product. Cleaning Leather Use a soft cloth with lukewarm water and a mild soap or saddle soap and wipe dry with a soft cloth. Then, let the leather dry naturally. Do not use heat to dry. • For stubborn stains, use a leather cleaner. • Neveruse oils, varnishes, solvent-based or abrasive cleaners, furniture polish or shoe polish on leather. • Soiled or stained leather should be cleaned immediately. If dirt is allowed to work into the ﬁnish, it can harm the leather. Special Fabric Cleaning Problems Stains caused by such things as catsup, coffee (black), egg, fruit, fruit juice, milk, soft drinks, vomit, urine and blood can be removed as follows: 1. Carefully scrape off excess stain, then sponge the 2. 3. soiled area with cool water. If a stain remains, follow the cleaning instructions described earlier. If an odor lingers after cleaning vomit or urine, treat the area with a water and baking soda solution: 1 teaspoon (5 ml) of baking soda to 1 cup (250 ml) of lukewarm water. 4. Let dry. Stains caused by candy, ice cream, mayonnaise, chili sauce and unknown stains can be removed as follows: 1. Carefully scrape off excess stain. 2. Clean with cool water and allow to dry completely. 3. If a stain remains, follow the cleaner instructions described earlier. 5-88 Cleaning the Top of the Instrument Panel Use only mild soap and water to clean the top surfaces of the instrument panel. Sprays containing silicones or waxes may cause annoying reﬂections in the windshield and even make it difficult to see through the windshield under certain conditions. Cleaning Interior Plastic Components Use only a mild soap and water solution on a soft cloth or sponge. Commercial cleaners may affect the surface ﬁnish. Cleaning Glass Surfaces Glass should be cleaned often. GM Glass Cleaner or a liquid household glass cleaner will remove normal tobacco smoke and dust ﬁlms on interior glass. See VehicleCare/AppearanceMaterialsonpage5-94. Notice: If you use abrasive cleaners when cleaning glass surfaces on your vehicle, you could scratch the glass and/or cause damage to the rear window defogger and the integrated radio antenna. When cleaning the glass on your vehicle, use only a soft cloth and glass cleaner. Care of Safety Belts Keep belts clean and dry. {CAUTION: Do not bleach or dye safety belts. If you do, it may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water. Weatherstrips Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth at least every six months. During very cold, damp weather more frequent application may be required. See PartD:Recommended FluidsandLubricantsonpage6-30. 5-89 Cleaning the Outside of Your Vehicle The paint ﬁnish on your vehicle provides beauty, depth of color, gloss retention and durability. Washing Your Vehicle The best way to preserve your vehicle’s ﬁnish is to keep it clean by washing it often with lukewarm or cold water. Do not wash your vehicle in the direct rays of the sun. Use a car washing soap. Do not use strong soaps or chemical detergents. Be sure to rinse the vehicle well, removing all soap residue completely. You can get GM-approved cleaning products from your dealer. See VehicleCare/AppearanceMaterialsonpage5-94. Do not use cleaning agents that are petroleum based, or that contain acid or abrasives. All cleaning agents should be ﬂushed promptly and not allowed to dry on the surface, or they could stain. Dry the ﬁnish with a soft, clean chamois or an all-cotton towel to avoid surface scratches and water spotting. High pressure car washes may cause water to enter your vehicle. Cleaning Exterior Lamps/Lenses Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under “Washing Your Vehicle.” Finish Care Occasional waxing or mild polishing of your vehicle by hand may be necessary to remove residue from the paint ﬁnish. You can get GM-approved cleaning products from your dealer. See VehicleCare/Appearance Materialsonpage5-94. Your vehicle has a “basecoat/clearcoat” paint ﬁnish. The clearcoat gives more depth and gloss to the colored basecoat. Always use waxes and polishes that are non-abrasive and made for a basecoat/clearcoat paint ﬁnish. Notice: Machine compounding or aggressive polishing on a basecoat/clearcoat paint ﬁnish may damage it. Use only non-abrasive waxes and polishes that are made for a basecoat/clearcoat paint ﬁnish on your vehicle. 5-90 Foreign materials such as calcium chloride and other salts, ice melting agents, road oil and tar, tree sap, bird droppings, chemicals from industrial chimneys, etc., can damage your vehicle’s ﬁnish if they remain on painted surfaces. Wash the vehicle as soon as possible. If necessary, use non-abrasive cleaners that are marked safe for painted surfaces to remove foreign matter. Exterior painted surfaces are subject to aging, weather and chemical fallout that can take their toll over a period of years. You can help to keep the paint ﬁnish looking new by keeping your vehicle garaged or covered whenever possible. Protecting Exterior Bright Metal Parts Bright metal parts should be cleaned regularly to keep their luster. Washing with water is all that is usually needed. However, you may use chrome polish on chrome or stainless steel trim, if necessary. Use special care with aluminum trim. To avoid damaging protective trim, never use auto or chrome polish, steam or caustic soap to clean aluminum. A coating of wax, rubbed to high polish, is recommended for all bright metal parts. Cleaning the Windshield and Wiper Blades If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax, sap or other material may be on the blade or windshield. Clean the outside of the windshield with a full-strength glass cleaning liquid. The windshield is clean if beads do not form when you rinse it with water. Grime from the windshield will stick to the wiper blades and affect their performance. Clean the blade by wiping vigorously with a cloth soaked in full-strength windshield washer solvent. Then rinse the blade with water. Check the wiper blades and clean them as necessary; replace blades that look worn. 5-91 Cleaning Aluminum Wheels Keep your wheels clean using a soft clean cloth with mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a soft clean towel. A wax may then be applied. The surface of these wheels is similar to the painted surface of your vehicle. Do not use strong soaps, chemicals, abrasive polishes, abrasive cleaners, cleaners with acid, or abrasive cleaning brushes on them because you could damage the surface. Do not use chrome polish on aluminum wheels. Do not take your vehicle through an automatic car wash that has silicone carbide tire cleaning brushes. These brushes can also damage the surface of these wheels. Cleaning Tires To clean your tires, use a stiff brush with tire cleaner. Notice: Using petroleum-based tire dressing products on your vehicle may damage the paint ﬁnish and/or tires. When applying a tire dressing, always wipe off any overspray from all painted surfaces on your vehicle. Sheet Metal Damage If your vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection. Original manufacturer replacement parts will provide the corrosion protection while maintaining the warranty. 5-92 Chemical Paint Spotting Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on your vehicle. This damage can take two forms: blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. Although no defect in the paint job causes this, GM will repair, at no charge to the owner, the surfaces of new vehicles damaged by this fallout condition within 12 months or 12,000 miles (20 000 km) of purchase, whichever occurs ﬁrst. Finish Damage Any stone chips, fractures or deep scratches in the ﬁnish should be repaired right away. Bare metal will corrode quickly and may develop into major repair expense. Minor chips and scratches can be repaired with touch-up materials avaliable from your dealer. Larger areas of ﬁnish damage can be corrected in your dealer’s body and paint shop. Underbody Maintenance Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, ﬂoor pan and exhaust system even though they have corrosion protection. At least every spring, ﬂush these materials from the underbody with plain water. Clean any areas where mud and debris can collect. Dirt packed in close areas of the frame should be loosened before being ﬂushed. Your dealer or an underbody car washing system can do this for you. 5-93 Vehicle Care/Appearance Materials See your GM dealer for more information on purchasing the following products. Vehicle Care/Appearance Materials Description Usage Polishing Cloth Wax-Treated Tar and Road Oil Remover Chrome Cleaner and Polish White Sidewall Tire Cleaner Vinyl Cleaner Glass Cleaner Chrome and Wire Wheel Cleaner Finish Enhancer Interior and exterior polishing cloth. Removes tar, road oil and asphalt. Use on chrome or stainless steel. Removes soil and black marks from whitewalls. Cleans vinyl tops, upholstery and convertible tops. Removes dirt, grime, smoke and ﬁngerprints. Removes dirt and grime from chrome wheels and wire wheel covers. Removes dust, ﬁngerprints, and surface contaminants. Spray on wipe off. 5-94 Vehicle Care/Appearance Materials (cont’d) Description Usage Swirl Remover Polish Cleaner Wax Foaming Tire Shine Low Gloss Wash Wax Concentrate Spot Lifter Odor Eliminator Removes swirl marks, ﬁne scratches and other light surface contamination. Removes light scratches and protects ﬁnish. Cleans, shines and protects in one easy step, no wiping necessary. Medium foaming shampoo. Cleans and lightly waxes. Biodegradable and phosphate free. Quickly and easily removes spots and stains from carpets, vinyl and cloth upholstery. Odorless spray odor eliminator used on fabrics, vinyl, leather and carpet. See your General Motors parts department for these products. See PartD:RecommendedFluidsand Lubricantsonpage6-30. Vehicle Identiﬁcation Vehicle Identiﬁcation Number (VIN) This is the legal identiﬁer for your vehicle. It appears on a plate in the front corner of the instrument panel, on the driver’s side. You can see it if you look through the windshield from outside your vehicle. The VIN also appears on the Vehicle Certiﬁcation and Service Parts labels and the certiﬁcates of title and registration. Engine Identiﬁcation The 8th character in your VIN is the engine code. This code will help you identify your engine, speciﬁcations and replacement parts. Service Parts Identiﬁcation Label You’ll ﬁnd this label on the front passenger door frame. It’s very helpful if you ever need to order parts. On this label is: • your VIN, • the model designation, • paint information and • a list of all production options and special equipment. Be sure that this label is not removed from the vehicle. Electrical System Add-On Electrical Equipment Notice: Don’t add anything electrical to your vehicle unless you check with your dealer ﬁrst. Some electrical equipment can damage your vehicle and the damage wouldn’t be covered by your warranty. Some add-on electrical equipment can keep other components from working as they should. Your vehicle has an air bag system. Before attempting to add anything electrical to your vehicle, see ServicingYourAirBag-EquippedVehicleonpage1-69. 5-95 Headlamp Wiring The headlamp wiring is protected by a circuit breaker in the lamp switch. An electrical overload will cause the lamps to ﬂicker on and off, or in some cases to remain off. If this happens, have your headlamp wiring checked right away. Windshield Wiper Fuses The windshield wiper motor is protected by a circuit breaker and a fuse. If the motor overheats due to heavy snow, etc., the wiper will stop until the motor cools. Although the circuit is protected from electrical overload, overload due to heavy snow, etc., may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers. If the overload is caused by some electrical problem and not snow, etc., be sure to get it ﬁxed. Power Windows and Other Power Options Circuit breakers in the fuse panel protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens and closes, protecting the circuit until the problem is ﬁxed or goes away. 5-96 Fuses and Circuit Breakers The wiring circuits in your vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusible thermal links. This greatly reduces the chance of ﬁres caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. Spare fuses and a fuse puller are located in the underhood fuse block. You can remove fuses with the fuse puller. Remember to replace any of the spare fuses you use, so you will have some if you ever need them again. If you ever have a problem on the road and don’t have a spare fuse, you can borrow one that has the same amperage. Just pick some feature of your vehicle that you can get along without – like the radio or cigarette lighter – and use its fuse, if it is the correct amperage. Replace it as soon as you can. There are two fuse blocks in your vehicle: one is inside the vehicle and one is in the engine compartment. Instrument Panel Fuse Block The fuse block is located on the lower portion of the instrument panel on the driver’s side. Fuse/Circuit Breaker Usage Stop/Turn/Hazard Lamps, Center High Mounted Stop Lamp, Anti-Lock Brakes Radio Accessory, Rear Seat Audio Controls 5-97 Fuse/Circuit Breaker 10 11 5-98 Usage Courtesy Lamps, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps Daytime Running Lamps Relay, Instrument Panel Cluster Rear Defogger Cruise Module, Truck Body Control Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror Power Outlets, Subwoofer Ampliﬁer Crank Circuit Fuse, Park/Neutral Switch, Starter Enabler Relay License Plate Lamp, Tailamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination, Truck Body Control Module Air Bag System Not Used Fuse/Circuit Breaker 12 13 14 15 16 17 Usage Blower Motor, Rear Air Conditioning Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil Cigarette Lighter, Door Lock Switches, Dutch Door Release Module Cluster Illumination, Climate Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, Overhead Console, Truck Body Control Illumination Truck Body Module, Headlamp Relay Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, Brake Transmission Shift Interlock Solenoid Front Wipers, Front Washer Pump Fuse/Circuit Breaker 18 19 20 21 22 23 24 Usage VCM-Ign 3, VCM-Brake, Cruise Stepper Motor Signal, ATC Module Instrument Panel Radio: ATC (Main Feed), 2000 Series (Standby) PRNDL/Odometer, Shift A and Shift B Solenoids, 3–2 Downshift Solenoid, Instrument Panel Cluster, VCM Module Powr Adjust Mirrors Not Used Rear Wiper, Rear Washer Pump Not Used (Circuit Breaker) Power Door Lock Relay, 6–Way Power Seats (Circuit Breaker) Power Windows Underhood Fuse Block The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle. Lift the hood and open the cover to gain access to this fuse block. A fuse puller is included in the underhood fuse block. You will also ﬁnd spare fuses. 5-99 Relays Usage Upﬁtter-ACCY Relay Starter Enable Relay A/C Enable Relay Headlamps Relay Fuel Pump Relay Upﬁtter Accessory Starter Air Conditioning Headlamps Fuel Pump Fuse/Circuit Usage Breaker UPFITTER- BATT UPFITTER- ACCY Spare Spare Spare ECM-1B HORN Upﬁtter Battery Power Stud, Trailer Wiring Harness Upﬁtter Accessory Relay Not used Not used Not used Fuel Pump Relay and Motor, VCM, Oil Pressure Switch/Sender Horn Relay and Horn Feed AUX B AUX A Usage Upﬁtter Battery Feed Upﬁtter Accessory Feed Usage Rear/Heat and Air Conditioning Relays A/C Relay (Rear Heat and A/C) 5-100 Fuse/Circuit Usage Fuse/Circuit Usage Breaker A/C COMP RR HTR/AC ATC FRT HVAC ENG-I IGN-E ECM-I Blank RH HDLMP LH Headlamp Blank Blank Air Conditioning Enable Relay and Compressor Rear Heater and Air Conditioning Active Transfer Case-L Van Front Heater and Air Conditioning Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid Air Conditioning Enable Relay Coil Fuel Injectors 1–6, Crankshaft Position Sensot, VCM, Coil Driver Module (EST), Ignition Coil Not Used Right Headlamp Left Headlamp Not Used Not Used Breaker DIODE-1 Blank Blank Blank LIGHTING BATT IGN A IGN B ABS Blank RAP HTD MIR/RR DEFOG Air Conditioning Not Used Not Used Not Used Courtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control Battery Fuse Power Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse Starter Relay, Ignition Switch Ignition Switch Electronic Brake Control Module Not Used Radio Accessory, Power Windows Rear Window Defogger,Climate Control Head 5-101 Capacities and Speciﬁcations Please refer to PartD:RecommendedFluidsandLubricantsonpage6-30 for more information. See refrigerant charge label under the hood for charge capacity information and requirements. Engine “Vortec” 4300 V6 MFI* RPO LU3 Transmission Spark Plug Gap Firing Order M30 0.060 inches (1.52 mm) 1–6–5–4–3–2 Engine Speciﬁcations *Micro Fuel Injection Tire Pressures – See LoadingYourVehicleonpage4-30. Application Wheel Nut Torque Tire Pressure Capacities English 140 lb ft Metric 190 N m See certiﬁcate and tire insert label on rear of the driver’s side door. 5-102 Capacities and Speciﬁcations Capacities Application Cooling Capacities Quantity without Rear Heater Quantity with Rear Heater Engine Oil with Filter Fuel Tank Transmission Fluid (Drain and Reﬁll) Differential Fluid Front Axle Rear Axle Refrigerant Type 134a Front A/C Front and Rear A/C English 13.5 quarts 16.5 quarts 4.5 quarts 27.0 gallons 5.0 quarts 2.6 pints 3.5 pints 2.25 lbs. 3.0 lbs. Metric 12.8 L 15.6 L 4.3 L 101.8 L 4.7 L 1.2 L 1.7 L 1.02 kg 1.36 kg All capacities are approximate. When adding, be sure to ﬁll to the appropriate level, as recommended in this manual. recheck the ﬂuid level after ﬁlling. See PartD:RecommendedFluidsandLubricantsonpage6-30 for more information. 5-103 Normal Maintenance Replacement Parts Replacement parts identiﬁed below by name, part number, or speciﬁcation can be obtained from your dealer. PartEngine (VIN Code) GM Part Number ACDelco® Part Number 25098463 25010792 15050894 6487532 25162556 22110158 22154396 A1163C PF47 GF481 CV 769-C 41–932 — — 18 inches (45.7 cm) 14 inches (35.5 cm) Trico Engine Air Cleaner/Filter Engine Oil Filter Fuel Filter PCV Valve Spark Plugs Wiper Blades Front Rear Wiper Blade Length Front Rear Wiper Blade Type 5-104 Engine Drive Belt Routing 5-105 - NOTES 5-106 Section 6 Maintenance Schedule Maintenance Schedule ......................................6-2 Introduction ...................................................6-2 Maintenance Requirements ..............................6-2 Your Vehicle and the Environment ....................6-2 How This Section is Organized .........................6-3 Part A: Scheduled Maintenance Services ...........6-4 Using Your Maintenance Schedule ....................6-4 Selecting the Right Schedule ...........................6-5 Short Trip/City Scheduled Maintenance ..............6-6 Long Trip/Highway Scheduled Maintenance ......6-16 Part B: Owner Checks and Services ................6-24 At Each Fuel Fill ..........................................6-24 At Least Once a Month .................................6-24 At Least Twice a Year ...................................6-24 At Least Once a Year ...................................6-25 Part C: Periodic Maintenance Inspections .........6-28 Steering, Suspension and Front Drive Axle Boot and Seal Inspection ............................6-28 Exhaust System Inspection ............................6-28 Fuel System Inspection ..................................6-28 Engine Cooling System Inspection ...................6-28 Throttle System Inspection .............................6-29 Transfer Case and Front Axle (All-Wheel Drive) Inspection .......................................6-29 Brake System Inspection ................................6-29 Part D: Recommended Fluids and Lubricants ....6-30 Part E: Maintenance Record ...........................6-32 6-1 Maintenance Schedule Introduction Important: Keep engine oil at the proper level and change as recommended. HaveyoupurchasedtheGMProtectionPlan?ThePlan supplementsyournewvehiclewarranties.Seeyour WarrantyandOwnerAssistancebookletoryourdealer fordetails. 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 scheduled maintenance may not be covered by warranty. Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but also helps the environment. 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, be sure to maintain your vehicle properly. 6-2 “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 can perform for you. “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. How This Section is Organized This maintenance schedule is divided into ﬁve parts: “Part A: Scheduled Maintenance Services” explains 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 GM dealer’s service department do these jobs. Your GM dealer has GM-trained and supported service people that will perform the work using genuine GM parts. {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 PublicationsOrderingInformationonpage7-11. 6-3 When you go to your dealer for your service needs, you will know that GM-trained and supported service people will perform the work using GM parts. The proper ﬂuids and lubricants to use are listed in Part D. Make sure whoever services your vehicle uses them. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. These schedules are for vehicles that: • carry passengers and cargo within recommended limits. You will ﬁnd these limits on the tire and loading information label. See LoadingYourVehicle onpage4-30. • are driven on reasonable road surfaces within driving limits. • use the recommended fuel. See GasolineOctane onpage5-4. Part A: Scheduled Maintenance Services In this part are scheduled maintenance services which are to be performed at the mileage intervals speciﬁed. Using Your Maintenance Schedule We at General Motors want to help you to keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive 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 to schedule them. 6-4 Selecting the Right Schedule First you will need to decide which of the two schedules is right for your vehicle. Here is how to decide which schedule to follow: Short Trip/City Deﬁnition Follow the Short Trip/City Scheduled Maintenance if any one of these conditions is true for your vehicle: • Most trips are less than 5 miles (8 km). This is particularly important when outside temperatures are below freezing. • Most trips include extensive idling (such as frequent driving in stop-and-go traffic). • You frequently tow a trailer or use a carrier on top of your vehicle. • If the vehicle is used for delivery service, police, taxi or other commercial application. Oneofthereasonsyoushouldfollowthisscheduleif youoperateyourvehicleunderanyoftheseconditions isthattheseconditionscauseengineoiltobreak downsooner. Short Trip/City Intervals 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 Fluid Check. Every 6,000 Miles (10 000 km): Tire Rotation. Every 15,000 Miles (25 000 km): Engine Air Cleaner Filter Inspection. Front Wheel Bearing Repack (two–wheel drive 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. Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Transfer Case Fluid Change. Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150 000 Miles (240 000 km): Cooling System Service (or every 60 months, whichever occurs ﬁrst). Engine Accessory Drive Belt Inspection. Theseintervalsonlysummarizemaintenanceservices. Besuretofollowthecompletescheduledmaintenance onthefollowingpages. 6-5 Long Trip/Highway Deﬁnition 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. Use the Short Trip/City schedule for these conditions Drivingavehiclewithafullywarmedengineunder highwayconditionswillcauseengineoiltobreakdown slower. 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 12 months, whichever occurs ﬁrst). Drive Axle Fluid Check. Tire Rotation. Every 15,000 Miles (25 000 km): Engine Air Cleaner Filter Inspection. Automatic Transmission Service (severe conditions only). Every 30,000 Miles (50 000 km): Fuel Filter Replacement. Engine Air Cleaner Filter Replacement. Front Wheel Bearing Repack (two–wheel drive only) (or at each brake relining, whichever occurs ﬁrst). Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Transfer Case Fluid Change. 6-6 Every 100,000 Miles (166 000 km): Spark Plug Wire Inspection. Spark Plug Replacement. Positive Crankcase Ventilation (PCV) Valve Inspection. Every 150,000 Miles (240 000 km): Cooling System Service (or every 60 months, whichever occurs ﬁrst). Engine Accessory Drive Belt Inspection. Theseintervalsonlysummarizemaintenanceservices. Besuretofollowthecompletescheduledmaintenance onthefollowingpages. Short Trip/City Scheduled Maintenance The services shown in this schedule up to 100,000 miles (166 000 km) should be repeated after 100,000 miles (166 000 km) at the same intervals for the life of this vehicle. The services shown at 150,000 miles (240 000 km) should be repeated at the same interval after 150,000 miles (240 000 km) for the life of this vehicle. See PartB:OwnerChecksandServicesonpage6-24 and PartC:PeriodicMaintenanceInspectionson page6-28. Footnotes † TheU.S.EnvironmentalProtectionAgencyorthe CaliforniaAirResourcesBoardhasdeterminedthatthe failuretoperformthismaintenanceitemwillnotnullify theemissionwarrantyorlimitrecallliabilitypriorto thecompletionofthevehicle’susefullife.We,however, urgethatallrecommendedmaintenanceservicesbe performedattheindicatedintervalsandthe maintenanceberecorded. # Lubricatethefrontsuspension,balljointsandkingpin bushings,steeringlinkage,parkingbrakecable guidesandbrakepedalsprings. + Agoodtimetocheckyourbrakesisduringtire rotation.SeeBrakeSystemInspectiononpage6-29. 3,000 Miles (5 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 6,000 Miles (10 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 9,000 Miles (15 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 12,000 Miles (20 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 6-7 15,000 Miles (25 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) Inspect engine air cleaner ﬁlter. If necessary, replace the ﬁlter. If vehicle is driven in dusty/dirty conditions, inspect ﬁlter at every engine oil change. See EngineAirCleaner/Filteronpage5-20 for more information.AnEmissionControlService.(See footnote†.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). 6-8 18,000 Miles (30 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 21,000 Miles (35 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 24,000 Miles (40 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 27,000 Miles (45 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 30,000 Miles (50 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q Replace fuel ﬁlter. AnEmissionControlService.(See footnote†.) q Replace engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. AnEmissionControlService. q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 33,000 Miles (55 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 36,000 Miles (60 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 6-9 39,000 Miles (65 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 42,000 Miles (70 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 45,000 Miles (75 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). 6-10 q 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. Inspect engine air cleaner ﬁlter. If necessary, replace the ﬁlter. If vehicle is driven in dusty/dirty conditions, inspect ﬁlter at every engine oil change. See EngineAirCleaner/Filteronpage5-20 for more information.AnEmissionControlService.(See footnote†.) Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). 48,000 Miles (80 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 50,000 Miles (83 000 km) If you have not used your vehicle under severe service conditions listed previously and, therefore, have not changed your automatic transmission ﬂuid, change both the ﬂuid and ﬁlter. q Change transfer case ﬂuid. 51,000 Miles (85 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 54,000 Miles (90 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 57,000 Miles (95 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 6-11 60,000 Miles (100 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). q Replace fuel ﬁlter. AnEmissionControlService.(See footnote†.) q Replace engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. AnEmissionControlService. q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 63,000 Miles (105 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 66,000 Miles (110 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 6-12 69,000 Miles (115 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 72,000 Miles (120 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 75,000 Miles (125 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). Inspect engine air cleaner ﬁlter. If necessary, replace the ﬁlter. If vehicle is driven in dusty/dirty conditions, inspect ﬁlter at every engine oil change. See EngineAirCleaner/Filteronpage5-20 for more information.AnEmissionControlService.(See footnote†.) 78,000 Miles (130 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 6-13 81,000 Miles (135 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 84,000 Miles (140 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 87,000 Miles (145 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 90,000 Miles (150 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 6-14 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). q Replace fuel ﬁlter. AnEmissionControlService.(See footnote†.) q Replace engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. AnEmissionControlService. q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 93,000 Miles (155 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 96,000 Miles (160 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+.) 99,000 Miles (165 000 km) q Change engine oil and ﬁlter (or every 3 months, whichever occurs ﬁrst). AnEmissionControlService. Lubricate chassis components (or every 3 months, whichever occurs ﬁrst). (Seefootnote#.) 100,000 Miles (166 000 km) Inspect spark plug wires. AnEmissionControl Service. q Replace spark plugs. AnEmissionControlService. If you have not used your vehicle under severe service conditions listed previously and, therefore, have not changed your automatic transmission ﬂuid, change both the ﬂuid and ﬁlter. q Change transfer case ﬂuid. Inspect Positive Crankcase Ventilation (PCV) valve. AnEmissionControlService. 150,000 Miles (240 000 km) q Drain, ﬂush and reﬁll cooling system (or every 60 months since last service, whichever occurs ﬁrst). See EngineCoolantonpage5-24 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. AnEmissionControlService. Inspect engine accessory drive belt. AnEmission ControlService. 6-15 # Lubricatethefrontsuspension,balljointsandkingpin bushings,steeringlinkageandtransfercaseshift linkage,parkingbrakecableguidesandbrakepedal springs. + Agoodtimetocheckyourbrakesisduringtire rotation.SeeBrakeSystemInspectiononpage6-29. 7,500 Miles (12 500 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+). Long Trip/Highway Scheduled Maintenance The services shown in this schedule up to 100,000 miles (166 000 km) should be repeated after 100,000 miles (166 000 km) at the same intervals for the life of this vehicle. The services shown at 150,000 miles (240 000 km) should be repeated at the same interval after 150,000 miles (240 000 km) for the life of this vehicle. See PartB:OwnerChecksandServicesonpage6-24 and PartC:PeriodicMaintenanceInspectionson page6-28. Footnotes † TheU.S.EnvironmentalProtectionAgencyorthe CaliforniaAirResourcesBoardhasdeterminedthatthe failuretoperformthismaintenanceitemwillnotnullify theemissionwarrantyorlimitrecallliabilitypriorto thecompletionofthevehicle’susefullife.We,however, urgethatallrecommendedmaintenanceservicesbe performedattheindicatedintervalsandthe maintenanceberecorded. 6-16 15,000 Miles (25 000 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). Inspect engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. An EmissionControlService.(Seefootnote†.) q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+). 22,500 Miles (37 500 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+). 6-17 30,000 Miles (50 000 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs ﬁrst). q 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. Ifyoudonotuseyourvehicleunderanyofthese conditions,changetheﬂuidandﬁlterevery50,000miles (83000km). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+). q Replace fuel ﬁlter. AnEmissionControlService.(See footnote†). q Replace engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. AnEmissionControlService. 37,500 Miles (62 500 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). q Rotate tires. See TireInspectionandRotationon page5-62for proper rotation pattern and additional information. (Seefootnote+). 6-18 45,000 Miles (75 000 km) q Change engine oil and ﬁlter (or every 12 months, whichever occurs ﬁrst). AnEmissionControl Service. Lubricate chassis components (or every 12 months, whichever occurs ﬁrst). (Seefootnote#). Inspect engine air cleaner ﬁlter. See EngineAir Cleaner/Filteronpage5-20 for more information. An EmissionControlService.(Seefootnote†.) q 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.

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2004 Chevrolet Astro Owners Manual