GM Service Manual Online
For 1990-2009 cars only

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

Removal Procedure


    Object Number: 777351  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the park brake cable from the rear brake caliper. Refer to Park Brake Cable Replacement .

  4. Object Number: 790034  Size: SH
  5. Remove the brake caliper and bracket assembly. Refer to Rear Brake Caliper Bracket Replacement .

  6. Object Number: 748573  Size: SH
  7. Remove the rear brake rotor.

  8. Object Number: 790168  Size: SH
  9. Remove the park brake shoe.

  10. Object Number: 790949  Size: SH
  11. Remove the rear drive axle. Refer to Rear Axle Shaft Replacement .

  12. Object Number: 370688  Size: SH
  13. Remove the retaining nuts from the backing plate.
  14. Remove the backing plate from the rear axle housing.

Installation Procedure


    Object Number: 370688  Size: SH
  1. Install the backing plate to the axle housing flange.
  2. 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).


    Object Number: 788488  Size: SH
  5. Install the rear drive axle. Refer to Rear Axle Shaft Replacement .

  6. Object Number: 790168  Size: SH
  7. Install the park brake shoe.

  8. Object Number: 748573  Size: SH
  9. Install the rear brake rotor.

  10. Object Number: 790034  Size: SH
  11. Install the brake caliper and bracket assembly. Refer to Rear Brake Caliper Bracket Replacement .

  12. Object Number: 777351  Size: SH
  13. Install the park brake cable to the rear brake caliper. Refer to Park Brake Cable Replacement .
  14. Adjust the park brake shoe. Refer to Park Brake Adjustment .
  15. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  16. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .