Express 3/4 Ton Van V8-6.5L DSL Turbo VIN F (1999)
Vehicle Speed Sensor: Service and Repair
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the wiring harness connector.
3. Remove the bolt securing the speed sensor to the transmission.
4. Remove the speed sensor from the transmission.
5. Remove the O-ring seal if not attached to the speed sensor.
Installation Procedure
1. Install the new speed sensor and O-ring seal.
2. Coat the seal with a thin film of transmission fluid GM P/N 12346143.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the bolt.
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Tighten the bolt to 11 Nm (97 inch lbs.).
4. Install the wiring harness connector.
5. Check the transmission fluid. Refer to Fluid Capacity Specifications.
