GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Rear Disc Brake Hardware Replacement

Removal Procedure

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


    Object Number: 178630 Size: SH

    Caution: 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; do NOT disconnect the hydraulic brake flexible hose from the caliper. Refer to Rear Brake Caliper Replacement.

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

    4. Object Number: 695066 Size: SH
  4. Remove the caliper pins (5) from the disc brake caliper mounting bracket (3).
  5. Remove the caliper pin boots (4) from the disc brake caliper mounting bracket.
  6. Lightly wire brush all brake pad contact areas in order to remove any corrosion.

Installation Procedure

    Object Number: 695066 Size: SH
  1. Install the caliper pin boots (4) to the disc brake caliper mounting bracket.
  2. Lubricate the caliper pins (5) with high temperature silicone lubricant.
  3. Install the caliper pins to the disc brake caliper mounting bracket (3).

    4. Object Number: 727742 Size: SH
  4. Install the brake pad retainers (1) to the caliper bracket.
  5. Install the brake pads (2) to the caliper bracket.
  6. Install the disc brake caliper to the mounting bracket.

    7. Caution: Refer to Fastener Caution in the Preface section.

  7. Install the disc brake caliper bolts and tighten to 31 N·m (23 lb ft).

    8. Apply and release the brake pedal 3/4 stroke as many times as necessary in order to obtain a firm brake pedal.