Volt

Rear Wheel Speed Sensor Replacement

Warning: Refer to Brake Dust Warning in the Preface section.

Danger: Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause injury or death.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tyre and wheel assembly. Refer to Tyre and Wheel Removal and Installation .
3. Clean the wheel speed sensor mounting area on the suspension knuckle of any accumulated dirt and debris.



4. Remove the wheel speed sensor bolt (1).



5. Remove the wheel speed sensor (1) from the suspension knuckle.



6. Release the wheel speed sensor harness from the rear brake hose retainers (1) and the brake hose bracket (2).



7. Remove the lower forward wheelhouse liner pushpin, lift the wheelhouse liner away from the body slightly and disconnect the wheel speed sensor electrical connector (1).
8. Release the wheel speed sensor harness retainer (2) from the frame rail and remove the wheel speed sensor.

1. Install the wheel speed sensor (1) to the suspension knuckle.

Caution: Refer to Fastener Caution in the Preface section.




2. Install the wheel speed sensor bolt (1) and tighten to 9 N·m (80 lb in).



3. Install the wheel speed sensor harness to the rear brake hose retainers (1) and the brake hose bracket (2).



4. Lift the wheelhouse liner away from the body slightly and connect the wheel speed sensor electrical connector (1).
5. Install the forward lower wheelhouse liner pushpin.
6. Install the wheel speed sensor harness retainer (2) to the frame rail.
7. Install the tyre and wheel assembly. Refer to Tyre and Wheel Removal and Installation .
8. Perform the Diagnostic System Check - Vehicle .