GM Service Manual Online
For 1990-2009 cars only

Object Number: 1824350  Size: MF

Callout

Component Name

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

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.

Preliminary Procedures

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

1

Guide Pin Bolt (Qty: 2)

Notice: Refer to Fastener Notice in the Preface section.

Procedure

  1. If reusing the guide pin bolt, the threads of the guide pin bolt and the threads of the guide pin must be free of threadlocker residue and debris prior to the application of threadlocker to ensure proper adhesion and fastener retention.
  2. If reusing the guide pin bolt, prepare the guide pin bolt and the guide pin as follows:
  3. 2.1. Thoroughly clean the threadlocker residue from the guide pin bolt threads with denatured alcohol or equivalent and allow to dry.
    2.2. Thoroughly clean the threadlocker residue from the guide pin threads with denatured alcohol or equivalent and allow to dry.
    2.3. Apply high temperature, high strength threadlocker to 2/3 of the threaded length of the guide pin bolt. Ensure there are no gaps along the length of the filled area of the caliper bracket bolt.
    2.4. Allow the threadlocker to cure approximately 10 minutes before installing the guide pin bolt.

Tighten
27 N·m (20 lb ft).

2

Rear Brake Caliper

Procedure

  1. Do not disconnect the brake caliper hose.
  2. Support the brake caliper with heavy mechanics wire or equivalent.

3

Disc Brake Pad

Procedure

Install the brake pads in their original positions. The brake pad with the wear sensor is mounted facing the inboard surface of the disc brake rotor.

4

Disc Brake Pad Shims (Qty: 2)

Procedure

If installing new brake pads, discard the disc brake pad shims. Install NEW shims.

5

Brake Caliper Bracket Bolt (Qty: 2)

Procedure

  1. If reusing the brake caliper bracket bolt, the threads of the caliper bracket bolt and the threads of the knuckle mounting holes must be free of threadlocker residue and debris prior to the application of threadlocker to ensure proper adhesion and fastener retention.
  2. If reusing the brake caliper bracket bolt, prepare the caliper bracket bolt and the knuckle mounting holes as follows:
  3. 2.1. Thoroughly clean the threadlocker residue from the brake caliper bracket bolt threads with denatured alcohol or equivalent and allow to dry.
    2.2. Thoroughly clean the threadlocker residue from the knuckle mounting holes with denatured alcohol or equivalent and allow to dry.
    2.3. Apply high temperature, high strength threadlocker to 2/3 of the threaded length of the brake caliper bracket bolt. Ensure there are no gaps along the length of the filled area of the caliper bracket bolt.
    2.4. Allow the threadlocker to cure approximately 10 minutes before installing the guide pin bolt.

Tighten
120 N·m (89 lb ft)

6

Brake Caliper Bracket