GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 42450-A Hub Cleaning Kit

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 378519  Size: SH
  3. Remove the tire and wheel. Refer to Wheel Removal in Tires and Wheels.

  4. Object Number: 177027  Size: SH
  5. Install a C-clamp (2) over the top of the brake caliper and against the back of the outboard brake pad.
  6. Tighten the C-clamp (2) until the brake caliper piston pushes into the brake caliper bore enough to slide the brake caliper (1) off of the rotor.
  7. Remove the C-clamp (2) from the brake caliper.

  8. Object Number: 357698  Size: SH
  9. Remove the brake caliper bracket with the brake caliper. Refer to Front Brake Caliper Bracket Replacement .

  10. Object Number: 177026  Size: SH

    Notice: Do not allow calipers to hang from the flexible hoses. Doing so can damage the hoses.

  11. Use a strap (2) or heavy gage wire in order to support the brake caliper (1) and the brake caliper bracket.
  12. Remove the brake rotor.

Installation Procedure

  1. Clean any corrosion from the brake rotor flange.
  2. Use the J 42450-A in order to clean the hub flange.
  3. Install the brake rotor.

  4. Object Number: 357698  Size: SH
  5. Install the brake caliper bracket with the brake caliper. Refer to Front Brake Caliper Bracket Replacement .

  6. Object Number: 378519  Size: SH
  7. Install the tire and wheel. Refer to Wheel Installation in Tires and Wheels.
  8. Lower the vehicle.