GM Service Manual Online
For 1990-2009 cars only

Hub and Drum Assembly Replacement Dual Wheel

Removal Procedure

Tools Required

J 2222-C Wheel Bearing Nut Wrench

  1. Raise the vehicle until the wheel is free to rotate.
  2. Remove the wheel and tire.

  3. Object Number: 160066  Size: SH
  4. Remove the axle shaft (5). Refer to Rear Axle Shaft and/or Gasket Replacement .
  5. Remove the retaining ring (10).
  6. Remove the key (9).

  7. Object Number: 156458  Size: SH
  8. Remove the adjusting nut using the J 2222-C .
  9. Remove the washer.

  10. Object Number: 160066  Size: SH
  11. Remove the hub and drum (3).

Installation Procedure


    Object Number: 160066  Size: SH
  1. Install the hub and drum (3) on the axle tube.
  2. • Ensure the bearings and the oil seal are positioned properly.
    • Apply a light coat of high melting point EP bearing lubricant to the contact surfaces and the outside of the axle tube.
  3. Install the washer.
  4. Place the tang into the keyway.

  5. Object Number: 156458  Size: SH
  6. Install the adjusting nut.
  7. Adjust the bearing preload. Refer to Wheel Bearing Adjustment .

  8. Object Number: 160066  Size: SH
  9. Install the key (9).
  10. Install the retaining ring (10).
  11. Install the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement .
  12. Install the wheel and tire.
  13. Lower the vehicle.

Hub and Drum Assembly Replacement Single Wheel

Tools Required

J 2222-C Wheel Bearing Nut Wrench

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement .

  4. Object Number: 762468  Size: SH
  5. Remove the brake drum.

  6. Object Number: 685935  Size: SH
  7. Remove the hub adjuster nut retaining ring.

  8. Object Number: 685937  Size: SH
  9. Remove the key.

  10. Object Number: 685938  Size: SH
  11. Remove the adjusting nut using the J 2222-C .

  12. Object Number: 762471  Size: SH
  13. Remove the wheel hub.

Installation Procedure

  1. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.

  2. Object Number: 762471  Size: SH
  3. Install the wheel hub to the axle housing.

  4. Object Number: 685939  Size: SH
  5. Install the adjusting nut.

  6. Object Number: 685938  Size: SH
  7. Install the adjusting nut to the hub using the J 2222-C
  8. Adjust the wheel bearings. Refer to Wheel Bearing Adjustment .

  9. Object Number: 685937  Size: SH
  10. Install the key.

  11. Object Number: 685935  Size: SH
  12. Install the hub adjuster nut retaining ring.

  13. Object Number: 762468  Size: SH
  14. Install the brake drum.
  15. Install the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement .
  16. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  17. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Lubricant Level Check .
  18. Lower the vehicle.