GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23129 Seal Remover
    • J 6125-B Slide Hammer
    • J 44385 Differential Bearing Race and Seal Installer
    • J 7079-2 Non-threaded Driver Handle

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the front wheel and tire assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the wheel driveshaft. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.

  4. Object Number: 646525  Size: SH
  5. Use theJ 23129 and theJ 6125-B in order to remove the seal.
  6. Inspect the seal bore for nicks or for burrs. Clean the bore with a fine grade sandpaper, if necessary.

Installation Procedure


    Object Number: 646523  Size: SH
  1. Use the J 44385 and the J 7079-2 in order to install a new seal. Ensure that the seal is seated flush to the outer bore area.
  2. Lubricate the seal with Dexron®-III transmission fluid.
  3. Install the wheel driveshaft. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  4. Install the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  5. Lower the vehicle.