Removal Procedure

Raise and support the vehicle. Lifting and Jacking the Vehicle
Remove the rear tire and wheel assembly. Tire and Wheel Removal and Installation
Courtesy of GENERAL MOTORS COMPANY

Rear Wheel Speed Sensor Bolt (1) - Remove [2x]
Rear Wheel Speed Sensor (2) @ Steering Knuckle - Remove
Courtesy of GENERAL MOTORS COMPANY

Disconnect the electrical connector. (4)
Rear Wheel Speed Sensor Retainer (3) - Remove
Rear Wheel Speed Sensor Bolt (2) - Remove [3x]
Rear Wheel Speed Sensor (1) - Remove