GM Service Manual Online
For 1990-2009 cars only

Front Wheel Speed Sensor Replacement for Pontiac G5 2009

Removal Procedure

  1. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation.

  2. Object Number: 857190  Size: SH
  3. Disconnect the vehicle speed sensor (VSS) electrical connector (2).

  4. Object Number: 658863  Size: SH
  5. Remove the retainer bolt.
  6. Remove the retainer.
  7. Remove the VSS.
  8. Remove and discard the O-ring.

Installation Procedure

  1. Lubricate a new O-ring with transmission fluid. Refer to Lubrication Specifications.
  2. Install the new O-ring.

  3. Object Number: 658863  Size: SH
  4. Install the VSS assembly.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the VSS retainer bolt.
  7. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 857190  Size: SH
  8. Connect the VSS connector to the VSS (2).
  9. Install the left front wheel. Refer to Tire and Wheel Removal and Installation.