GM Service Manual Online
For 1990-2009 cars only

Rear Disc Brake Backing Plate Replacement W/O NYS

Removal Procedure

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


    Object Number: 791349  Size: SH
  1. Release the park brake.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Relieve the tension from the park brake cable by pulling down on the cable in front of the equalizer and removing the cable from the equalizer bar.

  5. Object Number: 913334  Size: SH
  6. Remove the park brake cable from the mounting bracket (4) by depressing the locking tabs.
  7. Remove the rear park brake cable end (2) from the park brake actuator lever (1).
  8. Remove the rotor. Refer to Rear Brake Rotor Replacement in Disc Brakes.
  9. Remove the axle shaft. Refer to Rear Axle Shaft Replacement in Rear Drive Axle.
  10. Remove the park brake shoe. Refer to Parking Brake Shoe Replacement .

  11. Object Number: 370688  Size: SH
  12. Remove the backing plate nuts.
  13. Remove the backing plate from axle housing flange.

Installation Procedure

  1. Install the backing plate to the axle housing flange.

  2. Object Number: 370688  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the backing plate nuts.
  4. Tighten
    Tighten the backing plate nuts to 135 N·m (100 lb ft).

  5. Install the park brake shoe. Refer to Parking Brake Shoe Replacement .
  6. Install the axle shaft. Refer to Rear Axle Shaft Replacement in Rear Drive Axle.
  7. Adjust the park brake shoe. Refer to Park Brake Adjustment .

  8. Object Number: 913334  Size: SH
  9. Install the rotor. Refer to Rear Brake Rotor Replacement in Disc Brakes.
  10. Install the rear park brake cable end (2) to the park brake actuator lever (1).
  11. Install the park brake cable to the mounting bracket (4) until the locking tabs snap into place.

  12. Object Number: 791349  Size: SH
  13. Install the park brake cable to the equalizer bar by pulling down on the cable in front of the equalizer and installing the cable to the equalizer bar.
  14. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  15. Remove the safety stands.
  16. Lower vehicle.
  17. Adjust the park brake. Refer to Park Brake Adjustment in Park Brake.

Rear Disc Brake Backing Plate Replacement 15 Series W/NYS

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

Removal Procedure

  1. Release the park brake.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  4. Object Number: 791349  Size: SH
  5. Relieve the tension from the park brake cable by pulling down on the intermediate cable then release the cable from the equalizer bar.

  6. Object Number: 791353  Size: SH
  7. Remove the rear park brake bracket bolt.

  8. Object Number: 791352  Size: SH
  9. Remove the park brake cable from the park brake actuator lever.
  10. Remove the wheel bearing. Refer to Wheel Hub and Bearing Replacement in Rear Wheel Steering.
  11. Remove the park brake shoe.
  12. Remove the park brake actuator lever housing from the backing plate.
  13. Remove the backing plate.

Installation Procedure

  1. Install the park brake actuator lever housing to the backing plate.
  2. Install the park brake shoe.
  3. Install the wheel bearing and adjust the park brake shoe. Refer to Wheel Hub and Bearing Replacement in Rear Wheel Steering and Park Brake Adjustment in Park Brake.

  4. Object Number: 791352  Size: SH
  5. Install the park brake cable to the park brake actuator lever.

  6. Object Number: 791353  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  7. Install the rear park brake bracket bolt.
  8. Tighten
    Tighten the bolt to 61 N·m (45 lb ft).


    Object Number: 791349  Size: SH
  9. Install the park brake cable to the equalizer bar.
  10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Lower the vehicle.