S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, Xtreme

Maintenance Intervals

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SCHEDULED MAINTENANCE INTERVALS

2000-04 GMBLAZER, BRAVADA, ENVOY, JIMMY, RAINIER, TRAILBLAZER & XTREME
Accessory drive beltS/IXX
Air cleaner filterRXXXX
Automatic transmission fluidREvery 50,000 miles
Brake system -S/IXXXXXXXXXXXXXXXX
Chassis & suspension grease pointsLXXXXXXXXXXXXXXXX
CV-joint boots & axle sealsS/IXXXXXXXXXXXXXXXX
Engine coolant system -S/IEvery 150,000 miles
Engine oil & filterRXXXXXXXXXXXXXXXX
Front wheel bearingsS/I & LXXXX
Fuel filterRXXXX
Fuel tank, cap & linesS/IXX
PCV valveS/IEvery 100,000 miles
Rear/front axle fluid levelS/IXXXXXXXXXXXXXXXX
Rotate tiresS/IXXXXXXXXXXXXXXXX
Spark plug wiresS/IEvery 100,000 miles
Spark plugsREvery 100,000 miles
1R: Replace S/I: Inspect and service, if necessary L: Lubricate
2- This should be performed when the tires are removed for rotation.
3- Drain, flush and refill the cooling system, inspect the system hoses, and clean the radiator and condenser.
4- 2-wheel drive models only.
5FREQUENT OPERATION MAINTENANCE (SEVERE SERVICE)
MAINTENANCE I AND II SERVICE SCHEDULES

2005 Envoy, Rainer & Trail Blazer
Change the engine oil and filter.XX
Reset the oil life system.    
Visually inspect the vehicle for leaks or damage. A fluid loss in the vehicle system could indicate a problem. Inspected, repair and add fluid to the system if necessary.XX
Inspect the engine air cleaner filter. If necessary, replace the filter.XX
  XX
Rotate the tires. Inspect the tire inflation pressures and the tire wear.XX
Visually inspect the brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect the disc brake pads for wear and the rotors for surface condition. Inspect the drum brake linings for wear or cracks. Inspect other brake parts, including drums, wheel cylinders, calipers, parking brake, etc. Inspect the parking brake adjustment.XX
Inspect the engine coolant and the windshield washer fluid levels. Add fluid as needed.XX
Inspect the suspension and steering components. Inspect the front and rear suspension and the steering system for damaged, loose or missing parts, or signs of wear. Inspect the power steering lines and the hoses for proper hook-up, binding, leaks, cracks, chafing, etc.--X
Visually inspect the coolant hoses and replace the hoses if they are cracked, swollen or deteriorated. Inspect all pipes, fittings and clamps; replace with GM parts as needed. To help ensure proper operation, a pressure test of the cooling system and pressure cap and cleaning the outside of the radiator and air conditioning condenser is recommended at least once a year.   X
Inspect the wiper blades.--X
Inspect the wiper blades for wear or cracking.    
Inspect the restraint system components.Ensure the safety belt reminder light and all the 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 working correctly, repair or replaced the damaged part. Replace torn or frayed safety belts, refer to Operational and Functional Checks in Seat Belts. Inspect for any opened or broken air bag coverings, and repair or replace as needed. The air bag system does require regular maintenance.--X
MAINTENANCE I AND II SERVICE SCHEDULES    
2005 Envoy, Rainer & Trail Blazer    
Lubricate the body components.Lubricate all key lock cylinders, hood latch assemblies, secondary latches, pivots, spring anchor and release pawl, hood and door hinges, rear folding seats and liftgate hinges. Frequent lubrication may be required when exposed to a corrosive environment, refer to Fluid and Lubricant Recommendations . Applying dielectric silicone grease GM P/N 12345579 (Canadian P/N 1974984) or equivalent on the weatherstrips with a clean cloth.--X
Inspect the transaxle fluid level and add fluid as needed.--X
Inspect the suspension and steering components.Inspect the front and rear suspension and the steering system for damaged, loose or missing parts, or signs of wear. Inspect power steering lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc.--X
    X
    X
Inspect the throttle system for interference or binding and for damaged or missing parts. Replace the parts as needed. Replace any components that have high effort or excessive wear. Do not lubricate the accelerator or the cruise control cables.--X
Replace the passenger compartment air filter.--X
1When the CHANGE ENGINE OIL light appears, certain services and inspections are required.
2Required services are described as MaintenanceI and MaintenanceII.
3Alternate between the 2thereafter. However, in some cases, MaintenanceII may be required more often.
4MaintenanceI:Use MaintenanceI if the CHANGE ENGINE OIL light comes on within 10months
5since vehicle was purchased or, if Maintenance II was performed.
6MaintenanceII:Use MaintenanceII if the previous service performed was MaintenanceI.
7Always use Maintenance II whenever the CHANGE ENGINE OIL light comes on 10 months or more since the last
8service, or, if the CHANGE ENGINE OIL light has not come on at all for one year.
 
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