GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Safety Glasses Warning in the Preface section.

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


    Object Number: 1943714  Size: SH

    Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the rear wheels. Refer to Tire and Wheel Removal and Installation.
  3. Disconnect the wheel speed sensor jumper harness electrical connector (1).
  4. Detach the electrical connector (1) from the right hand rail (2).

  5. Object Number: 1939426  Size: SH
  6. Disconnect the left rear and right rear wheel speed sensor electrical connectors  (1).
  7. Detach the wheel speed sensor wiring harness mounting clip (2) from the left rear and right rear knuckles  (3).

  8. Object Number: 1943685  Size: SH
  9. Detach the wheel speed sensor wiring harness mounting clip (1).

  10. Object Number: 1943683  Size: SH
  11. Detach the wheel speed sensor wiring harness mounting clips  (1) from the rear suspension subframe  (2).
  12. Note: Note the routing of the wheel speed sensor jumper harness (3).

  13. Remove the wheel speed sensor jumper harness (2) from the vehicle.

Installation Procedure

    Warning: Refer to Safety Glasses Warning in the Preface section.

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


    Object Number: 1943683  Size: SH

    Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

    Note: Make sure the routing of the wheel speed sensor jumper harness (3) is routed in its original location.

  1. Install the wheel speed sensor jumper harness (3) to the vehicle.
  2. Attach the wheel speed sensor wiring harness mounting clips (1) to the rear suspension subframe (2).

  3. Object Number: 1943685  Size: SH
  4. Attach the wheel speed sensor wiring harness mounting clip (1).

  5. Object Number: 1939426  Size: SH
  6. Connect the left rear and right rear wheel speed sensor electrical connectors (1).
  7. Attach the wheel speed sensor wiring harness mounting clip (2) to the left rear and right rear knuckles (3).

  8. Object Number: 1943714  Size: SH
  9. Attach the electrical connector (1) to the right hand rail (2).
  10. Connect the wheel speed sensor jumper harness electrical connector (1).
  11. Install the rear wheels. Refer to Tire and Wheel Removal and Installation.
  12. Lower the vehicle.
  13. Use the scan tool in order to clear any DTCs.
  14. Perform the System Check - Vehicle. Refer to Diagnostic System Check - Vehicle.