Sierra 1500 4WD V8-6.0L (2007)
Transmission Speed Sensor: Service and Repair
Allison - Automatic Transmission
Speed Sensor Replacement
Removal Procedure
Caution: Refer to Battery Disconnect Caution.
1. Be sure the vehicle ignition is turned off.
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
