Rear Wheel Bearing and Hub Replacement (AWD)

Fig 1: Identifying Rear Wheel Bearing & Hub (AWD)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: The wheel bearing and hub assembly includes a magnetic encoder with built-in permanent magnets that the wheel speed sensor senses. Any contact with another magnet will damage the encoder magnets. The damage will cause a diagnostic trouble code to be set and will require wheel bearing and hub replacement. Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the rear brake rotor. Refer to Rear Brake Rotor Replacement .
1	Wheel Drive Shaft Nut CAUTION: Refer to Fastener Caution . Tighten: 205 N.m (151 lb ft)
2	Wheel Bearing Hub Bolt (Qty: 3) Procedure Using the J 42129 , separate the front wheel hub and bearing from the wheel drive shaft. Apply the high-temperature, high-strength threadlocker to 2/3 of the threads of the wheel bearing hub and the bolt. Tip: Ensure that there are no gaps in the threadlocker and allow to dry approximately 10 minutes before installing the wheel bearing hub bolts. Tighten: 130 N.m (96 lb ft) Special Tools: J 42129 Front/Rear Spindle Remover
3	Rear Wheel Bearing and Hub Assembly