GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 208480  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the vehicle speed sensor electrical connector.

  3. Object Number: 481937  Size: SH
  4. Remove the vehicle speed sensor bolt (2).
  5. Remove the vehicle speed sensor (1) and the O-ring seal (3).
  6. Use a suitable container in order to catch any transmission fluid that may spill.


    Object Number: 181582  Size: SH
  7. Inspect the transmission speed sensor for the following defects:
  8. • Cracks
    • Nicks
    • Damage

Installation Procedure


    Object Number: 481937  Size: SH
  1. Install the vehicle speed sensor (1) with a new O-ring seal (3).
  2. Install the vehicle speed sensor bolt (2).
  3. Tighten
    Tighten the vehicle speed sensor bolt (2) to 11 N·m (97 lb in).


    Object Number: 208480  Size: SH
  4. Connect the vehicle speed sensor electrical connector.
  5. Lower the vehicle.
  6. Check transmission fluid, add as required.