Transmission Speed Sensor: Service and Repair

REMOVAL
1. Raise and support vehicle.

WARNING: THE ELECTRICAL POWER SUPPLY TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING, JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION SWITCH LOCATED IN THE REAR JACK STORAGE AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS.





2. Disconnect output shaft speed (OSS) sensor electrical connector.





3. Remove OSS sensor.
(1) Remove the OSS sensor bolt.
(2) Remove the OSS sensor from the transmision
- Inspect the OSS sensor O-ring for damage. If damaged, replace the O-ring.





INSTALLATION
1. Inspect and lubricate O-ring with petroleum jelly.
(1) Install the OSS sensor into the transmission.
(2) Tighten OSS sensor bolt.





2. Connect OSS sensor electrical connector.
3. Lower the vehicle.

NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.