GM Service Manual Online
For 1990-2009 cars only

Rear Wheel Bearing and Hub Replacement Drum Brake

Removal Procedure

  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. Remove the brake drum. Refer to Brake Drum Replacement .

  4. Object Number: 890721  Size: SH
  5. Remove the plug from the drum brake actuator access hole in the backing plate. Using the access hole, install a support (1) for the brake backing plate.
  6. Disconnect the electrical connector (2) from the wheel speed sensor, if equipped with ABS.
  7. Remove the wheel bearing/hub assembly mounting nuts (3).

  8. Object Number: 890719  Size: SH
  9. Remove the wheel bearing/hub assembly from the rear axle assembly and brake backing plate.

Installation Procedure


    Object Number: 890719  Size: SH
  1. Install the wheel bearing/hub assembly to the brake backing plate and the rear axle assembly.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 890721  Size: SH
  3. Install the wheel bearing/hub assembly mounting nuts (3) to the axle assembly. Tighten the nuts evenly, in a cross-pattern.
  4. Tighten
    Tighten the nuts to 45 N·m (33 lb ft) plus 30 degrees.

  5. Connect the electrical connector (2) to the wheel speed sensor, if equipped with ABS.
  6. Remove the support (1) from the brake backing plate.
  7. Install the plug to the drum brake actuator access hole in the backing plate.
  8. Install the brake drum. Refer to Brake Drum Replacement .
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  10. Lower the vehicle.

Rear Wheel Bearing and Hub Replacement Disc Brake

Removal Procedure

  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. Without disconnecting the hydraulic brake flex hose, remove and support the rear brake caliper and bracket as an assembly, and remove the rear brake rotor. Refer to Rear Brake Rotor Replacement .
  4. Disconnect the electrical connector from the wheel speed sensor.

  5. Object Number: 1385060  Size: SH
  6. Remove the wheel bearing/hub assembly mounting nuts.
  7. Remove the wheel bearing/hub assembly and the disc brake backing plate from the rear axle assembly.

Installation Procedure


    Object Number: 1385060  Size: SH
  1. Install the wheel bearing/hub assembly and the brake backing plate to the rear axle assembly.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the wheel bearing/hub assembly mounting nuts to the axle assembly. Tighten the nuts evenly, in a cross-pattern.
  4. Tighten
    Tighten the nuts to 45 N·m (33 lb ft) plus 30 degrees.

  5. Connect the electrical connector to the wheel speed sensor.
  6. Install the brake rotor, and install the brake caliper and bracket as an assembly. Refer to Rear Brake Rotor Replacement .
  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  8. Lower the vehicle.