Sierra Classic 2500 4WD V8-6.0L (2007)
Transmission Speed Sensor: Service and Repair
Allison - Automatic Transmission
Speed Sensor Replacement
Removal Procedure
1. Caution:
Refer to Battery Disconnect Caution in Service Precautions.
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
