GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Block the rear wheels.
  2. Drain the air reservoirs. Refer to Air Brake Reservoir Draining .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the tire and the wheel assembly. Refer to Tire and Wheel Removal and Installation .

  5. Object Number: 201766  Size: SH
  6. Remove the air drum. Refer to Brake Drum Replacement .
  7. Remove the wheel hub. Refer to Front Wheel Hub, Bearing, and Seal Replacement .
  8. Remove the air line from the front air brake chamber. Refer to Hose and Line Replacement - Nylon Push-In Type Fitting .
  9. Remove the wheel speed sensor. Refer to Front Wheel Speed Sensor Replacement .
  10. Remove the bolts and the washers.
  11. Remove the front brake assembly from the knuckle.

Installation Procedure

    Caution: Refer to Brake Dust Caution in the Preface section.


    Object Number: 201766  Size: SH
  1. Install the front brake assembly to the knuckle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the washers and the bolts.
  4. Tighten
    Tighten the front cam brake assembly bolts to 280 N·m (206 lb ft).

  5. Install the wheel speed sensor. Refer to Front Wheel Speed Sensor Replacement .
  6. Install the air line to the front air brake chamber. Refer to Hose and Line Replacement - Nylon Push-In Type Fitting .
  7. Install the wheel hub. Refer to Front Wheel Hub, Bearing, and Seal Replacement .
  8. Install the air drum.
  9. Adjust the front wheel bearings, if needed. Refer to Wheel Bearing Adjustment .
  10. Install the tire and the wheel assembly. Refer to Tire and Wheel Removal and Installation .
  11. Remove the safety stands and lower the vehicle.
  12. Start the engine.
  13. Charge the air system to the air compressor governor valve cut-out point.
  14. Check for the proper brake operation.
  15. Stop the engine.
  16. Set the parking brake.
  17. Remove the wheel blocks.