GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Keep fingers away from rear brake shoe springs to prevent fingers from being pinched between spring and shoe web or spring and backing plate.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 390075  Size: SH
  3. Remove the brake drum. Refer to Brake Drum Replacement .

  4. Object Number: 178990  Size: SH

    Notice: Do not over stretch the adjuster spring. Damage can occur if the spring is over stretched.

  5. Disengage the adjuster spring hook end from the tab on the adjuster actuator (1).
  6. Remove the straight end of the adjuster spring from the brake shoe.

  7. Object Number: 718440  Size: SH
  8. Remove the universal spring (8) from the brake shoes.
  9. Remove the park brake actuator lever and wave washer from the brake shoe.
  10. Clean all of the drum brake system components with denatured alcohol.
  11. Inspect all of the drum brake system components. Refer to Drum Brake Hardware Inspection and Drum Brake Adjusting Hardware Inspection .

Installation Procedure


    Object Number: 718440  Size: SH
  1. Install the park brake actuator lever and wave washer to the brake shoe.
  2. Install the universal spring (8) to the brake shoes.
  3. Install the adjuster spring hook end to the tab on the adjuster actuator (1).
  4. Adjust the drum brakes. Refer to Drum Brake Adjustment .

  5. Object Number: 390075  Size: SH
  6. Install the brake drum. Refer to Brake Drum Replacement .
  7. Lower the vehicle.