GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.


    Object Number: 892919  Size: SH
  1. Raise the vehicle on a hoist.
  2. Remove the rear wheel and the tire assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Disconnect the wheel speed sensor electrical connector.

  4. Object Number: 891918  Size: SH

    Notice: The outer drive axle joint has a speed sensor ring. Be careful not to damage this ring when performing service operations near knuckle and drive axle. Never pry against the speed sensor ring. Even minor scratching of speed sensor ring may result in a loss of ABS operation.

  5. Remove the wheel speed sensor to bracket TORX® head bolt.
  6. Remove the wheel speed sensor.
  7. Notice: Wheel speed sensor bracket uses a locating pin on the steering knuckle. Be careful not to break the pin when removing the bracket.

  8. Remove the wheel speed sensor bracket to the steering knuckle bolt.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 891918  Size: SH
  1. Position the wheel speed sensor bracket into the steering knuckle and install the fastener.
  2. Tighten
    Tighten the wheel speed sensor bracket-to-steering knuckle to 8 N·m (71 lb in).

  3. Install the wheel speed sensor into the bracket.
  4. Tighten
    Tighten the wheel speed sensor bracket-to-steering sensor bracket to 8 N·m (71 lb in).

  5. Connect the wheel speed sensor electrical connector.
  6. Notice: Before installing wheels, remove rust or corrosion from wheel mounting surfaces and brake rotors/drums. Failure to do so can cause wheel nuts to loosen in service.

  7. Install the wheel and the tire assemblies onto the hub. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.