Rear Wheel Bearing and Hub Replacement (AWD)

Fig 1: Rear Wheel Bearing & Hub (AWD)

Courtesy of GENERAL MOTORS COMPANY

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. Lifting and Jacking the Vehicle Remove the rear brake rotor. 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 45859 axle remover, separate the wheel hub and bearing from the wheel drive shaft. NOTE: Ensure that there are no gaps in the threadlocker and allow to dry approximately 10 minutes before installing the wheel bearing hub bolts. Apply the high-temperature, high-strength threadlocker to 2/3 of the threads of the wheel bearing hub and the bolt. Tighten 130 N.m (96 lb ft) Special Tools J 45859 Axle Remover
3	Rear Wheel Bearing and Hub Assembly NOTE: Avoid applying grease to any other machined surface, holes, or threads. Ensure the drain channel at the bottom of the bore is not blocked with grease or debris. Apply grease evenly and ensure complete coverage to the knuckle bearing pilot bore only. Adhesives, Fluids, Lubricants, and Sealers