Wheel Hub Removal Procedure
Tools Required
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Remove the front tire and wheel assembly. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the brake rotor. Refer to
Brake Caliper Replacement
in
Disc Brakes.
- Unstake the washer for
the drive axle.
- Remove the nut and the washer from the drive axle.
- Use 2 wheel nuts (1), the J 34866
, and the J 2619-01
in order to remove the hub and the outer bearing race from the knuckle.
- If necessary, remove the outer bearing
race from the hub. Use the J 22912-B
,
the J 38424
, and
a press.
Wheel Hub Installation Procedure
Tools Required
J 36050 Wheel Hub Race
Installer
- Apply a light coat of lubricant to the outside of the hub shaft.
Use GM Wheel Bearing Grease, GM P/N 1051344, or the equivalent.
- If necessary, install the outer bearing
race (1) to the hub (2). Use the J 36050
and a press.
- Use the following procedure
in order to install the hub and the outer bearing race to the knuckle:
3.1. | Place a block of wood on the end of the hub in order to absorb
the shock from a hammer. |
3.2. | Use a hammer in order to tap the hub and the outer bearing race
into the knuckle. |
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the washer and the nut to the
drive axle.
Tighten
Tighten the nut to 175 N·m (129 lb ft).
- Stake the washer in order to secure the nut.
- Install the brake rotor, the caliper carrier, and the caliper.
Refer to
Brake Caliper Replacement
in Disc Brakes.
- Install the tire and wheel assembly (11). Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Lower the vehicle.
Wheel Bearing Removal Procedure
Tools Required
• | J 26941 Drive Sprocket
Support Bearing Cup |
• | J 41392 Front Hub
Support /Inner Seal Installer |
- Remove the knuckle from the vehicle. Refer to
Steering Knuckle Replacement
.
- Remove the inner bearing
oil seal and the outer bearing oil seal from the knuckle (1). Use the J 26941
and the J 2619-01
.
- Remove the inner race and the bearing from the knuckle.
- Remove the snap ring from the outboard side of the knuckle.
- Remove the outer bearing from the knuckle.
- Remove the outer bearing
race from the hub. Use the J 22912-B
,
the J 38424
, and a press.
- Use the J 41392
in order to support the knuckle. .
- Remove the bearing from the knuckle. Use the J 7079-2
and the J 41391
.
- Inspect the inner oil seal and the outer bearing oil seal for
the following conditions:
- If any of these conditions exist, replace the seals.
- Inspect the bearings for the following conditions:
• | Contamination from water |
• | Contamination from dirt |
- If any of these conditions exist, replace the bearing.
Wheel Bearing Installation Procedure
Tools Required
• | J 39722 Wheel Bearing
Race/Outer Seal Installer |
• | J 41392 Front Hub
Support/Inner Seal Installer |
- Use the J 41392
in order to support the knuckle.
- Install the outer bearing to the knuckle (1). Use the J 39722
and the J 7079-2
.
- Install the snap ring to the outboard side of the knuckle.
- Install the inner bearing and the race to the knuckle.
- Install the outer bearing
race (1) to the wheel hub (2). Use the J 36050
and a press.
- Apply a lubricant to the lip of the inner oil seal. Use GM Wheel
Bearing Grease, GM P/N 1051344, or the equivalent.
- If the vehicle has ABS, align the hole in the seal with the hole
in the knuckle for the wheel speed sensor.
- Install the inner oil
seal (1) to the inboard side of the knuckle. Use the J 41392
and the J 7079-2
.
- Install the outer oil
seal (1) to the outboard side of the knuckle. Use the J 39722
and the J 7079-2
.
- Install the knuckle to the vehicle. Refer to
Steering Knuckle Replacement
.