GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

  1. Remove the brake drum. Refer to Brake Drum Replacement.
  2. Clean the area surrounding the wheel cylinder of dirt and debris.

  3. Object Number: 2180689  Size: SH
  4. Disconnect the wheel cylinder brake pipe fitting (1).
  5. Cap the brake pipe fitting to prevent brake fluid loss and contamination.


    Object Number: 2180692  Size: SH
  6. Remove the wheel cylinder bolts (1).

  7. Object Number: 2180696  Size: SH
  8. Spread the top of the brake shoes slightly and remove the wheel cylinder (1).

Installation Procedure


    Object Number: 2180696  Size: SH
  1. Spread the top of the brake shoes slightly and install the wheel cylinder (1).
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2180692  Size: SH
  3. Remove the wheel cylinder bolts (1) and tighten to  8 N·m (71 lb in).

  4. Object Number: 2180689  Size: SH
  5. Connect the wheel cylinder brake pipe fitting (1) and tighten to  19 N·m (14 lb ft).
  6. Install the brake drum. Refer to Brake Drum Replacement.
  7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
  8. Adjust the drum brakes. Refer to Drum Brake Adjustment.