GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 180649  Size: SH
  1. Raise and suitably the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Clean any dirt from around the vehicle speed sensor (VSS).
  3. Disconnect the electrical connector from the VSS.

  4. Object Number: 1456299  Size: SH
  5. Remove the bolt retaining the VSS to the rear differential case.
  6. Remove the VSS from the differential case.

Installation Procedure


    Object Number: 1456299  Size: SH
  1. Lubricate the O-ring seal of the VSS with clean engine oil.
  2. Install the VSS into the hole on the axle case.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the VSS retaining bolt the differential.
  5. Tighten
    Tighten the vehicle speed sensor retaining bolt to 10 N·m (89 lb in).


    Object Number: 180649  Size: SH
  6. Connect the electrical connector to the sensor.
  7. Lower the vehicle.