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    Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

    Maintenance Intervals

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    SCHEDULED MAINTENANCE INTERVALS
    1999-01 DENALI, DENALI XL, ESCALADE, SUBURBAN, TAHOE, YUKON & YUKON XL WITH GASOLINE ENGINES
    To be servicedType of serviceVehicle mileage interval (x1000)
        7.51522.53037.54552.56067.57582.59097.5105112.5120
    Accessory drive beltS/I               X               X
    Auto trans fluid -REvery 50,000 miles                              
    Brake systemS/IXXXXXXXXXXXXXXXX
    Chassis & suspension grease pointsLXXXXXXXXXXXXXXXX
    Cooling fan operationS/I   X   X   X   X   X   X   X   X
    CV-joint boots & axle sealsS/IXXXXXXXXXXXXXXXX
    EGR systemS/I               X               X
    Engine coolantREvery 150,000 miles                              
    Engine oil & filterRXXXXXXXXXXXXXXXX
    EVAP systemS/I               X               X
    Front wheel bearings -S/I & L       X       X       X       X
    Fuel filterR               X               X
    Fuel systemS/I               X               X
    Rear/front axle fluid levelS/IXXXXXXXXXXXXXXXX
    Rotate tiresS/IXXXXXXXXXXXXXXXX
    Shields & underhood insulation -S/I   X   X   X   X   X   X   X   X
    Spark plugsREvery 100,000 miles                              
    Spark plug wiresS/IEvery 100,000 miles                              
    1R: Replace S/I: Inspect and service, if necessary L: Lubricate
    2- 2-wheel drive models only.
    3- Vehicles with a GVWR or 8500 lbs. or more only.
    4FREQUENT OPERATION MAINTENANCE (SEVERE SERVICE)
    5Shields & underhood insulation (vehicles w/GVWR over 8500 lbs. only): inspect every 15,000 miles.
    6EVAP system: inspect every 60,000 miles.
    7EGR system: inspect every 60,000 miles.
    8PCV system: inspect every 100,000 miles.
    SCHEDULED MAINTENANCE INTERVALS
    2002-04 ESCALADE, SUBURBAN, TAHOE, YUKON, YUKON DENALI, & YUKON XL
    To be servicedType of serviceVehicle mileage interval (x1000)
        7.51522.53037.54552.56067.57582.59097.5105112.5120
    Accessory drive beltS/I               X               X
    Automatic transmission fluid -REvery 50,000 miles                              
    Brake systemS/IXXXXXXXXXXXXXXXX
    Chassis & suspension grease pointsLXXXXXXXXXXXXXXXX
    Cooling fan operationS/I   X   X   X   X   X   X   X   X
    CV-joint boots & axle sealsS/IXXXXXXXXXXXXXXXX
    EGR systemS/I               X               X
    Engine coolantREvery 150,000 miles                              
    Engine oil & filterRXXXXXXXXXXXXXXXX
    EVAP systemS/I               X               X
    Front wheel bearings -S/I & L       X       X       X       X
    Fuel filterR               X               X
    Fuel systemS/I               X               X
    Rear/front axle fluid levelS/IXXXXXXXXXXXXXXXX
    Rotate tiresS/IXXXXXXXXXXXXXXXX
    Shields & underhood insulation -S/I   X   X   X   X   X   X   X   X
    Spark plugsREvery 100,000 miles                              
    Spark plug wiresS/IEvery 100,000 miles                              
    1R: Replace S/I: Inspect and service, if necessary L: Lubricate
    2- 2-wheel drive models only.
    3- Vehicles with a GVWR or 8500 lbs. or more only.
    4FREQUENT OPERATION MAINTENANCE (SEVERE SERVICE)
    5Shields & underhood insulation (vehicles w/GVWR over 8500 lbs. only): inspect every 15,000 miles.
    6EVAP system: inspect every 60,000 miles.
    7EGR system: inspect every 60,000 miles.
    8PCV system: inspect every 100,000 miles.
    SCHEDULED MAINTENANCE INTERVALS
    VEHICLES WITH DIESEL ENGINES
    To be servicedType of serviceVehicle mileage interval (x1000)
        58101520232530353840455053556065687075808385909598
    Air intake systemS/I     X   X     X     X   X     X     X   X     X    
    Automatic transmission fluid -REvery 50,000 miles                                                  
    Brake systemS/IXX   X   X   X   X   X   X   X   X   X   X   X   X
    Chassis & suspension grease pointsLX   XXX   XXX   XXX   XXX   XXX   XXX  
    Cooling fan operationS/I     X   X     X     X   X     X     X   X     X    
    Crankcase depression regular valve system hosesS/I                               X                    
    CV-joint boots & axle sealsS/IX   XXX   XXX   XXX   XXX   XXX   XXX  
    EGR system -S/I                               X               X    
    Engine coolantREvery 150,000 miles                                                  
    Engine cooling system hoses & radiatorS/I & CInitially at 100,000 miles, then every 50,000 miles                                                  
    Engine oil & filterRX   XXX   XXX   XXX   XXX   XXX   XXX  
    Front wheel bearings -S/I & L               X               X               X    
    Fuel filterR               X               X               X    
    Rear/front axle fluid levelS/IX   XXX   XXX   XXX   XXX   XXX   XXX  
    Rotate tiresS/IXX   X   X   X   X   X   X   X   X   X   X   X   X
    Shields & underhood insulation -S/I     X   X     X     X   X     X     X   X     X    
    1R: Replace S/I: Inspect and service, if necessary L: Lubricate C: Clean
    2- Vehicles with a GVWR of 8500 lbs or more only.
    3- If equipped.
    4- 2-wheel drive models only.
    5FREQUENT OPERATION MAINTENANCE (SEVERE SERVICE)
    MAINTENANCE I AND II SERVICE SCHEDULES
    escalade, suburban, tahoe and yukon
    ServiceMaintenance IMaintenance II
    Change the engine oil and filter. Reset the oil life system.XX
    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
    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 for wear or cracking.   X
    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
    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
    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.

    Additional Maintenance Services



    ADDITIONAL MAINTENANCE SERVICES
    2004-05 Buick Century & Regal
    To be servicedType of serviceVehicle mileage interval (x1000)
        255075100120150
    Air cleaner filterR   X   X   X
    Accessory drive beltI           X
    Auto. Trans. Fluid and FilterAR   X   X   X
    Cooling system hoses and clampsS/I           X
    Engine coolantR           X
    Fuel systemIXXXXXX
    Exhaust system & heat shieldsS/IXXXXXX
    Spark plugsR       X    
    1R: Replace S/I: Inspect and service, if necessary
    2- Replace if any of the following conditions are met:
    3Heavy city traffic where the outside temperature regularly reaches 32C (90F) or higher
    ADDITIONAL MAINTENANCE SERVICES
    2004-05 Pontiac Grand Prix
    To be servicedType of serviceVehicle mileage interval (x1000)
        255075100125150
    Air cleaner filterR   X   X   X
    Accessory drive beltI           X
    Auto. Trans. Fluid and FilterAR   X   X   X
    Cooling system hoses and clampsS/I           X
    Engine coolantR           X
    Fuel systemIXXXXXX
    Exhaust system & heat shieldsS/IXXXXXX
    Supercharger oil levelS/IXXXXXX
    Spark plugs and wiresR       X    
    1R: Replace S/I: Inspect and service, if necessary
    2- Replace if any of the following conditions are met:
    3Heavy city traffic where the outside temperature regularly reaches 32C (90F) or higher
    ADDITIONAL MAINTENANCE SERVICES
    2004-05 Chevrolet Impala & Monte Carlo
    To be servicedType of serviceVehicle mileage interval (x1000)
        255075100125150
    Air cleaner filterR   X   X   X
    Accessory drive beltI           X
    Auto. Trans. Fluid and FilterAR   X   X   X
    Cooling system hoses and clampsS/I           X
    Engine coolantR           X
    Fuel systemIXXXXXX
    Exhaust system & heat shieldsS/IXXXXXX
    Supercharger oil levelS/IXXXXXX
    Spark plugs and wiresR       X    
    1R: Replace S/I: Inspect and service, if necessary
    2- Replace if any of the following conditions are met:
    3Heavy city traffic where the outside temperature regularly reaches 32C (90F) or higher
    ADDITIONAL MAINTENANCE SERVICES
    2004-05 Chevrolet Venture, Oldsmobile Sillouette, Pontiac Montana
    To be servicedType of serviceVehicle mileage interval (x1000)
        255075100125150
    Air cleaner filterR   X   X   X
    Accessory drive beltI           X
    Auto. Trans. Fluid -R   X   X   X
    Cooling system hoses and clampsS/I           X
    Engine coolantR           X
    Fuel systemIXXXXXX
    Exhaust system & heat shieldsS/IXXXXXX
    Spark plugs and wiresR       X    
    1R: Replace S/I: Inspect and service, if necessary
    2- Replace if any of the following conditions are met:
    3Heavy city traffic where the outside temperature regularly reaches 32C (90F) or higher
    4To reset the CHANGE ENGINE OIL LIGHT:
    51. With the ignition key in RUN but the engine off, repeatedly push the trip/reset button until OIL is
    62. Once OIL is displayed, push and hold the trip/reset button for five seconds. The number will disappear
    7If the CHANGE ENGINE OIL message comes back on when you start your vehicle, the engine oil life

    Introduction




    NOTE
    Unless otherwise specified all information regarding gasoline engine service procedures also apply to flexible fuel (gasoline/alcohol or -gasohol-) engines.

     
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