F 450 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Wheel Speed Sensor: Service and Repair
Sensor, Rear
Rear Wheel Speed Sensor
Removal
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.
3. CAUTION: Clean off dirt and debris that may have collected around the rear anti-lock brake sensor before removal to prevent fluid
contamination.
Remove the rear anti-lock brake sensor.
1. Disconnect the electrical connector.
2. Remove the bolt.
3. Remove the rear anti-lock brake sensor.
Installation
1. CAUTION: Use care not to get dirt in the rear axle housing.
Clean and inspect the rear anti-lock brake sensor.
1. Clean the axle mounting surface.
2. Inspect and clean the magnetized rear anti-lock brake sensor pole piece.
3. Inspect the rear anti-lock brake control O-ring for damage. Replace if necessary.
4. Lightly lubricate the rear anti-lock brake control O-ring with SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or
equivalent meeting Ford specification WSL-M2C192-A.