Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Transmission Speed Sensor: Service and Repair
Automatic Transmission - Allison
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
1. Important:
Do not rotate the sensor in its retaining bracket. Changing the sensor/bracket orientation may cause improper operation.
