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.

If replacing the left front wheel speed sensor, remove the air cleaner element. Refer to AIR CLEANER ELEMENT REPLACEMENT .
If replacing the right front wheel speed sensor, disconnect and position aside the battery positive junction block cables. Refer to BATTERY POSITIVE JUNCTION BLOCK CABLE REPLACEMENT .

Fig 1: Identifying Wheel Speed Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Disconnect the wheel speed sensor electrical connector (1).
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 .

Fig 2: View Of Wheel Speed Sensor Wire, Wire Grommet, Connector And Harness Routing Clips

Courtesy of GENERAL MOTORS CORP.

Release the wheel speed sensor wire grommet (1) from the wheelhouse.
Carefully pull the wheel speed sensor wire and connector (2) through the wheel house.
Release the wheel speed sensor wire harness routing clip (3) from the wheel house.
Release the wheel speed sensor wire harness routing clips (4) and (5) from the suspension strut.
IMPORTANT: Clean the wheel speed sensor mounting area on the steering 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 steering knuckle.