Rear

1. Raise and support vehicle, then remove wheel and tire assembly.
2. Remove sensor wiring grommet retainer bracket, then pull sensor grommet from underbody.
3. Disconnect electrical connector, then remove wiring to frame rail attaching bracket.
4. Remove rear axle U-bolt nuts, then the sensor assembly mounting bracket.
5. Remove sensor head screw, then the sensor head from steering knuckle. If sensor head is seized, use a punch and gently rock sensor back and forth until free. Do not use pliers on sensor head.
6 Reverse procedure to install, noting the following:
a. Torque sensor mounting bolt to 5 ft. lbs.
b. Torque U-bolt nuts to 65 ft. lbs.