GM Service Manual Online
For 1990-2009 cars only

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

Removal Procedure


    Object Number: 178630  Size: SH

    Notice: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

  1. Remove the brake caliper from the mounting bracket and support the brake caliper (2) with heavy mechanic's wire (1), or equivalent. Discard the old caliper pin bolts, new bolts are supplied in the hardware kit. It is not necessary to disconnect the hydraulic brake flexible hose from the caliper. Refer to Front Brake Caliper Replacement .

  2. Object Number: 727742  Size: SH
  3. Remove the brake pads (2) from the brake caliper bracket.
  4. Remove the brake pad retainers (1) from the brake caliper bracket.

  5. Object Number: 661837  Size: SH
  6. Remove the brake caliper bracket. Refer to Front Brake Caliper Bracket Replacement .
  7. Mount the brake caliper bracket (1) in a vise.
  8. Using a flat bladed tool or punch carefully remove the caliper pin boots (2) from brake caliper bracket (1) and discard.
  9. Important: Wipe the old grease from the caliper pin bolts with a clean shop towel.

  10. Inspect the brake caliper bracket for cracks. If cracked, replace bracket.

Installation Procedure


    Object Number: 793825  Size: SH
  1. Apply a thin coat of NIGLUBE® to the caliper guide pin (4).
  2. Install new caliper pin bolt boots (2) to the caliper.

  3. Object Number: 727742  Size: SH
  4. Install the brake caliper bracket (3). Refer to Front Brake Caliper Bracket Replacement .
  5. Install the brake pad retainers (1) to the caliper bracket.
  6. Install the brake pads (2) to the caliper bracket.

  7. Object Number: 178630  Size: SH
  8. Remove the heavy mechanics wire (1).
  9. Install the brake caliper. Refer to Front Brake Caliper Replacement .