Simplified Maintenance
Simplified Maintenance I & II
GM CARS & TRUCKS
with Gasoline Engines & with GM Oil Life Systems (OLS)
Required services for most vehicles are described by the terms Maintenance I and Maintenance II. Use Maintenance I if the CHANGE ENGINE OIL light comes on within 10 months of the vehicle purchase or when Maintenance II was the last service performed.
The first service should be Maintenance I; the second should be Maintenance II. Alternate between the two schedules thereafter. Depending upon your driving habits, Maintenance II may be required more often.
Refer to your Owner's Manual for specific maintenance requirements.
NOTICE: It is important to check your engine oil regularly and keep it at the proper level. Failure to maintain proper oil level can result in expensive engine repairs not covered by the vehicle warranty.
It is important to regularly check your tires for wear and proper inflation. Faiure to maintain properly inflated tires can result in premature tire wear, vehicle damage, or personal injury.
- Change engine oil and filter. Reset oil life system. (See "Engine Oil". An Emission Control Service)
- Visually check for any leaks or damage.
- Rotate and inspect tires. Check inflation pressure and wear.
- Inspect brake system, including brake lines, hoses, pads, calipers, wheel cylinders, rotors and drums.
- Check engine coolant and windshield washer fluid.
- Perform any needed additional services.
- TRUCKS: Lubricate front suspension, ball joints, steering linkage and parking brake cable.
- TRUCKS: with Allison Transmission only: Inspect external control-mail filter; replace if necessary.
- Additional recommended services and costs, resulting from inspections performed, will be brought to your attention.
- Change engine oil and filter. Reset oil life system. (See "Engine Oil". An Emission Control Service).
- Visually check for any leaks or damage.
- Inspect engine air cleaner filter; replace if necessary.
- Rotate and inspect tires. Check inflation pressure and wear.
- Inspect brake system, including brake lines, hoses, pads, calipers, wheel cylinders, rotors and drums.
- Check engine coolant and windshield washer fluid.
- Inspect engine cooling system.
- Lubricate body components.
- Inspect wiper blades for weak or cracking.
- Inspect restraint system components.
- Inspect suspension and steering components.
- Check transmission/transaxle fluid level and add fluid as needed.
- TRUCKS without a filter restriction indicator: Inspect engine air cleaner filter.
- TRUCKS/Vans: Fuel filter service; replace as necessary.
- TRUCKS/Vans: Check air intake.
- Perform any needed additional services.
- Additional recommended services and costs, resulting from inspections performed, will be brought to your attention.
Additional Required Services
In addition to Maintenance I and II, the following services are recommended at the mileage indicated
- Inspect fuel system for damage or leaks
- Inspect exhaust system for loose or damaged components.
- Replace engine air cleaner filter.
- Change automatic transmission/transaxle fluid and filter (severe service).
- TRUCKS with Allison Transmission only: Change automatic transmission fluid and filter.
- TRUCKS: Replace fuel filter.
- TRUCKS: Inspect evaporative control system lines, hoses, and valves.
- TRUCKS without a filter restriction indicator: Inspect engine air cleaner filter.
- TRUCKS with 6-speed manual transmission only: Change clutch plate fluid. (at least every 24 months)
- TRUCKS with four-wheel drive and automatic transfer case only: Change transfer case fluid and check vent hose at transfer case.
- Inspect fuel system for damage or leaks.
- Inspect exhaust system for loose or damaged components.
- TRUCKS: Replace fuel filter.
- TRUCKS without a filter restriction indicator: Replace engine air cleaner filter.
- TRUCKS with 6-speed manual transmission only: Change clutch plate fluid (at least every 24 months).
- TRUCKS with Allison Transmission only: Change automatic transmission fluid and filter (severe service only)
- Inspect fuel system for damage or leaks
- Inspect exhaust system for loose or damaged components.
- Replace engine air cleaner filter.
- Change automatic transmission/transaxle fluid and filter (severe service).
- Replace spark plugs
- V-8 engine only: Inspect spark plug wires. (An Emission Control Service).
- TRUCKS: Replace fuel filter.
- TRUCKS: Inspect evaporative control system lines, hoses, and valves.
- TRUCKS: Replace spark plugs (An Emission Control Service).
- TRUCKS without a filter restriction indicator: Inspect engine air cleaner filter.
- TRUCKS with 6-speed manual transmission only: Change clutch plate fluid. (at least every 24 months)
- TRUCKS with Allison Transmission only: Change automatic transmission fluid and filter. (normal and severe service)
- TRUCKS with four-wheel drive and automatic transfer case only: Change transfer case fluid and check vent hose at transfer case.
- Inspect fuel system for damage or leaks
- Inspect exhaust system for loose or damaged components.
- TRUCKS: Replace fuel filter
- TRUCKS without a filter restriction indicator: Inspect engine air cleaner filter.
- TRUCKS with 6-speed manual transmission only: Change clutch plate fluid. (at least every 24 months)
- TRUCKS with Allison Transmission only: Change automatic transmission fluid and filter (severe service)
- Inspect fuel system for damage or leaks
- Inspect exhaust system for loose or damaged components.
- Replace engine air cleaner filter.
- Change automatic transmission/transaxle fluid and filter (severe service).
- Engine cooling system service (or every 5 years, whichever occurs first).
- Inspect engine accessory drive belt.
- TRUCKS: Inspect evaporative control system lines, hoses, and valves.
- TRUCKS: Replace fuel filter.
- TRUCKS without a filter restriction indicator: Inspect engine air cleaner filter.
- TRUCKS with 5-speed manual transmission only: Change manual transmission fluid.
- TRUCKS with 6-speed manual transmission only: Change clutch plate fluid. (at least every 24 months)
- TRUCKS with Allison Transmission only: Change automatic transmission fluid and filter. (normal and severe service)
- TRUCKS with four-wheel drive and automatic transfer case only: Change transfer case fluid and check vent hose at transfer case for kinks and proper installation.
Prices subject to change without notice. Prices may vary by model line. Speak with Service Advisor for any additional questions.