Sierra 1500 2WD V8-5.3L VIN B HO (2006)
Transmission Speed Sensor: Service and Repair
Allison - Automatic Transmission
Speed Sensor Replacement
Removal Procedure
1. Be sure the vehicle ignition is turned off.
Caution: Refer to Battery Disconnect Caution in Service Precautions.
2. Disconnect the external wiring harness from the speed sensor.
3. Remove the bolt (1) from the speed sensor and carefully remove the speed sensor (2).
Installation Procedure