GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 2178526  Size: SH
  3. Disconnect the wheel speed sensor electrical connector (1).
  4. Release the wheel speed sensor electrical connector and sensor harness clips (2) from the inboard frame rail.

  5. Object Number: 2178527  Size: SH
  6. Remove the wheel speed sensor bolt (1).

  7. Object Number: 2178528  Size: SH
  8. Remove the wheel speed sensor (1) from the rear axle.

Installation Procedure


    Object Number: 2178528  Size: SH
  1. Install the wheel speed sensor (1) to the rear axle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2178527  Size: SH
  3. Install the wheel speed sensor bolt (1) and tighten to  9 N·m (80 lb in).

  4. Object Number: 2178526  Size: SH
  5. Connect the wheel speed sensor electrical connector (1).
  6. Install the wheel speed sensor electrical connector and sensor harness clips (2) to the inboard frame rail.
  7. Perform the Diagnostic System Check - Vehicle.