Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Transmission Speed Sensor: Service and Repair
NV 4500
Vehicle Speed Sensor (VSS) Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle.
2. Disconnect the vehicle speed sensor (VSS) electrical connector (3).
3. Remove the VSS and seal.
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.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the VSS.
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Tighten the VSS to 16 Nm (12 ft. lbs.).
