GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 42129 Wheel Hub Removal

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.

  3. Object Number: 1233049  Size: SH
  4. Remove the wheel drive shaft nut.
  5. Remove the brake rotor. Refer to Front Brake Rotor Replacement.
  6. Disconnect the electrical connector from the wheel speed sensor.
  7. Remove the wheel speed sensor connector from the bracket by depressing the locking tabs.

  8. Object Number: 1233054  Size: SH

    Caution: Avoid tool contact to the outer constant velocity boot when removing the wheel bearing mounting bolts. Failure to observe this caution may result in damage to the CV boot.

  9. Remove the 3 hub and bearing assembly bolts.
  10. Install the J 42129 to the hub and bearing assembly in order to remove the hub and bearing assembly from the wheel drive shaft.

  11. Object Number: 1233107  Size: SH
  12. Remove the hub and bearing assembly from the steering knuckle.

Installation Procedure


    Object Number: 1233107  Size: SH
  1. Install the hub and bearing assembly to the steering knuckle.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1233054  Size: SH

    Caution: This is a self-retaining fastener joint that does not require thread locking compounds. Do not attempt to clean the threads with a standard tap. If a standard tap is used, damage to the joint threads will occur.

  3. Install the 3 hub and bearing assembly bolts and tighten to 115 N·m (85 lb ft.
  4. Install the wheel speed sensor connector into the bracket until the locking tabs click into place.
  5. Connect the electrical connector to the wheel speed sensor.

  6. Object Number: 1233049  Size: SH
  7. Install the axle nut to the wheel drive shaft, hand tighten the wheel drive shaft nut.
  8. Install the brake rotor. Refer to Front Brake Rotor Replacement.

  9. Object Number: 1233189  Size: SH
  10. Install the wheel drive shaft nut to the wheel drive shaft.
  11. Use a screw driver or similar tool to stop the rotation of the brake rotor and tighten to 215 N·m (159 lb ft).
  12. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.