GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Firebird 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Vehicle Speed Sensor Replacement

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
  3. Remove the vehicle speed sensor bolt (1).
  4. Remove the vehicle speed sensor (2) and the O-ring seal (3).

    5. Use a suitable container in order to catch any transmission fluid that may spill.


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

Installation Procedure

    Object Number: 481937 Size: SH
  1. Install the vehicle speed sensor (2) with a new O-ring seal (3).
  2. Install the vehicle speed sensor bolt (1).

    3. Tighten
    Tighten the vehicle speed sensor bolt to (1) 11  N·m (97 lb in).


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