Removal Procedure

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
Remove the battery. Refer to Battery Replacement .
Remove the ECM bracket bolts (1) and then position the ECM and ECM bracket aside. Refer to Engine Control Module Replacement .

Fig 1: Engine Control Module (ECM) Bracket Bolts
Courtesy of GENERAL MOTORS COMPANY
Disconnect the wheel speed sensor electrical connector (1).

Fig 2: Wheel Speed Sensor Electrical Connector
Courtesy of GENERAL MOTORS COMPANY
Detach the wheel speed sensor harness from the body frame mounted bracket (1).

Fig 3: Wheel Speed Sensor Harness And Body Frame Mounted Bracket
Courtesy of GENERAL MOTORS COMPANY
Detach the wheel speed sensor harness from the front strut mounted bracket (2).
Remove the wheel speed sensor to knuckle retaining bolt (1).

Fig 4: Wheel Speed Sensor To Knuckle Retaining Bolt
Courtesy of GENERAL MOTORS COMPANY
Remove the wheel speed sensor (2) from the steering knuckle.