GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

  3. Object Number: 2049753  Size: SH
  4. Remove the brake caliper guide pin bolts (1).

  5. Object Number: 2049755  Size: SH
  6. Without disconnecting the brake caliper hose, remove the brake caliper (1) and support with heavy mechanics wire or equivalent.

  7. Object Number: 2049757  Size: SH
  8. Remove the inner (1) and outer (2) brake pads.
  9. Note the location of the brake pad wear sensors for correct installation.


    Object Number: 2049758  Size: SH
  10. Remove the brake pad shims (1).

  11. Object Number: 2049759  Size: SH
  12. Remove the upper guide pin (1).
  13. Remove the lower guide pin (2).
  14. Note the bushing on the lower guide pin. The lower guide pin must be installed in the same location.


    Object Number: 2049761  Size: SH
  15. Remove the guide pin seals (1).
  16. Clean the brake caliper bracket contact surfaces with denatured alcohol and allow to dry.

Installation Procedure


    Object Number: 2049761  Size: SH
  1. Install the guide pin seals (1).
  2. Note: The guide pins are not interchangeable. Note the location of the guide pins.


    Object Number: 2049759  Size: SH
  3. Apply a light coat of high temperature silicone brake lubricant to the brake caliper guide pins.
  4. Install the upper guide pin (1).
  5. Ensure the lip of the seal is fully seated in the groove of the brake caliper guide pin.

  6. Install the lower guide pin (2).
  7. Ensure the lip of the seal is fully seated in the groove of the brake caliper guide pin.


    Object Number: 2049758  Size: SH
  8. Apply a light coat of high temperature silicone brake lubricant to the brake pad shims.
  9. Install the brake pad shims (1).

  10. Object Number: 2049757  Size: SH
  11. Install the inner (1) and outer (2) brake pads.
  12. Note the location of the brake pad wear sensors for correct installation.


    Object Number: 2049755  Size: SH
  13. Install the brake caliper (1) to the caliper bracket.

  14. Object Number: 2049742  Size: SH
  15. Loosely install the brake caliper guide pin bolts.
  16. Caution: Refer to Fastener Caution in the Preface section.

  17. Tighten the upper brake caliper guide pin bolt (1) to 42 N·m (31 lb ft).
  18. Tighten the lower brake caliper guide pin bolt (2) to 42 N·m (31 lb ft).
  19. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  20. Lower the vehicle.