Transmission Speed Sensor: Service and Repair

Vehicle Speed Sensor (VSS)
Removal Procedure





1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the vehicle speed sensor (VSS) electrical connector (2).





3. Remove the VSS bolt.
4. Remove the VSS.

Installation Procedure





1. Coat the NEW O-ring seal with a thin film of transmission fluid, use GM P/N 12346190 (Canadian P/N 10953477) or equivalent.
2. Install the VSS.

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the VSS bolt.
- Tighten the VSS bolt to 22 Nm (16 ft. lbs.).





4. Connect the VSS electrical connector (2).
Lower the vehicle.