GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  1. Remove the brake drum. Refer to Brake Drum Replacement.

  2. Object Number: 2180668  Size: SH
  3. Remove the brake adjuster actuator lever spring (1).

  4. Object Number: 2180674  Size: SH
  5. Remove the brake adjuster actuator lever (1).

  6. Object Number: 2180678  Size: SH
  7. Spread the top of the brake shoes apart slightly and remove the brake shoe adjuster (1).
  8. Inspect the drum brake adjusting hardware and replace any damaged components as necessary. Refer to Drum Brake Adjusting Hardware Inspection.
  9. Disassemble the brake shoe adjuster and thoroughly clean the adjuster screw threads of any corrosion.

Installation Procedure

  1. Apply a light coat of high temperature brake lubricant to the brake shoe adjuster screw threads.
  2. Assemble the brake shoe adjuster, setting the adjuster to the fully retracted position.

  3. Object Number: 2180678  Size: SH
  4. Spread the top of the brake shoes apart slightly and install the brake shoe adjuster (1).

  5. Object Number: 2180674  Size: SH
  6. Install the brake adjuster actuator lever (1).

  7. Object Number: 2180668  Size: SH
  8. Install the brake adjuster actuator lever spring (1).
  9. Adjust the drum brakes. Refer to Drum Brake Adjustment.
  10. Install the brake drum. Refer to Brake Drum Replacement.