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Hydra-Matic(R) 4T40-E Automatic Transmission



Vehicle Speed Sensor (VSS) Replacement

Removal Procedure
1. Disconnect the negative battery cable.
2. Raise and support the vehicle.
3. Remove the electrical connector at the vehicle speed sensor.





4. Remove the retaining stud and the sensor. Pull straight out in order to avoid damage to the case.

Installation Procedure
1. Clean and dry the vehicle speed sensor.





2. Notice: Install the vehicle speed sensor and the retaining stud.

^ Tighten the stud to 12 Nm (97 inch lbs.).
3. Install the electrical connector at the sensor.
4. Lower the vehicle.
5. Connect the negative battery cable.