Removal Procedure

CAUTION: Refer to Brake Dust Caution .

IMPORTANT: If replacing the wheel speed sensor due to a DTC, inspect the back of the wheel bearing on the encoder surface for metallic chips or metal shavings. If metallic debris is found, clean the encoder surface to prevent interference with the wheel speed sensor signal and setting of a DTC. Refer to Diagnostic System Check - Vehicle to verify and clear the DTC.

Fig 1: Identifying Wheel Speed Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
Disconnect the wheel speed sensor electrical connector (1).
Release the wheel speed sensor wire harness grommet (2) from the lower control arm bracket.
Release the wheel speed sensor wire harness routing clips (3) from the upper suspension link.

Fig 2: View Of Wheel Speed Sensor Wire Harness Routing Clip

Courtesy of GENERAL MOTORS CORP.

Release the wheel speed sensor wire harness routing clips from the upper suspension link.
IMPORTANT: Clean the wheel speed sensor mounting area on the wheel knuckle of any accumulated dirt and debris.

Fig 3: Identifying Wheel Speed Sensor Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the wheel speed sensor bolt.
Pull the wheel speed sensor straight up and out of the wheel knuckle.