GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Front Brake Caliper Replacement

Removal Procedure

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

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

    6. Object Number: 63952 Size: SH
  6. Remove the brake caliper inlet fitting bolt from the caliper.
  7. Remove the brake hose from the brake caliper.
  8. Remove and discard the two copper brake hose gaskets. These gaskets may be stuck to the brake caliper and/or the brake hose end.
  9. Plug the opening in the brake caliper and the brake hose to prevent fluid loss and contamination.

    10. Object Number: 63984 Size: SH
  10. Remove the brake caliper guide pin bolts.
  11. Remove the brake caliper from the caliper mounting bracket.

Installation Procedure
  1. Inspect the caliper slide boots for cuts, tears, or deterioration. If damaged, replace the slides and the boots. Refer to Front Disc Brake Hardware Replacement.

    2. Object Number: 63984 Size: SH
  2. Install the brake caliper to the caliper mounting bracket.

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

  3. Install the brake caliper guide pin bolts and tighten to 31 N·m (23 lb ft).

    4. Object Number: 63952 Size: SH
  4. Remove the plug from the brake caliper opening and the brake hose.

    5. Note: Install NEW copper brake hose gaskets.

  5. Assemble the NEW copper brake hose gaskets, and the brake caliper inlet fitting bolt to the brake hose.
  6. Install the brake hose and the brake caliper inlet fitting bolt to the brake caliper and tighten to 45 N·m (33 lb ft).
  7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.
  8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  9. Lower the vehicle.