gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drive Pinion Flange/Yoke and/or Oil Seal Replacement|Page 7343 > < Drive Pinion Flange/Yoke and/or Oil Seal Replacement|Page 7341
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Seals and Gaskets: Service and Repair
Rear Axle Hub, Bearing, Cup, and/or Seal Replacement

Rear Axle Hub, Bearing, Cup, and/or Seal Replacement

Special Tools

*

J 2222-C - Wheel Bearing Nut Wrench

*

J 8092 - Universal Driver Handle - 3/4 x 10 inch

*

J 24426 - Outer Wheel Bearing Race Installer

*

J 24427 - Inner Wheel Bearing Race Installer

*

J 44419 - Hub Bearing Installer

*

J 44420 - Differential Bearing Installer

For equivalent regional tools, refer to Special Tools   (See: Steering and Suspension/Suspension/Tools and Equipment/Rear Suspension).

Removal Procedure

Note:  

*

The wheel speed sensor ring is NOT serviced separately. The hub and wheel speed senor ring are serviced as an assembly.

*

The rear axle hub seal must be replaced anytime the rear axle hub assembly is removed from the axle housing.

*

The wheel studs are serviced separately from the rear axle hub.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle   (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation   (See: Maintenance/Wheels and Tires/Service and Repair

).

Note:  In the following service procedure, it is not necessary to remove the brake caliper from the bracket.

3. Remove the brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement (1500 Series)   (See: Brakes and Traction Control/Disc

Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper Bracket Replacement (1500 Series))Rear Brake
Caliper Bracket Replacement (2500 Series)   (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service and Repair/Removal
and Replacement/Rear Brake Caliper Bracket Replacement (2500 Series)).

4. Remove the rear axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement   (See: Drive Axles, Bearings and Joints/Seals and

Gaskets/Service and Repair/Rear Axle Shaft and/or Gasket Replacement).

5. Remove the rear axle nut retaining ring.

6. Remove the rear wheel bearing adjuster key.

Drive Pinion Flange/Yoke and/or Oil Seal Replacement|Page 7343 > < Drive Pinion Flange/Yoke and/or Oil Seal Replacement|Page 7341