GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6083 Snap Ring Pliers
    • J 8092 Driver Handle
    • J 8433-1 Puller Bar
    • J 8433-3 Forcing Screw
    • J 9481-A Bearing Installer
    • J 21352-A Support Block
    • J 33017 Pulley And Bearing Assembly Installer
    • J 33019 Bearing Staking Tool
    • J 33023-A Puller Pilot
    • J 34992 Compressor Holding Fixture

    Object Number: 210146  Size: SH

    Notice: Do not support the rotor by resting the pulley rim on a flat surface during the bearing installation or the rotor face will be bent.

  1. Place the pulley rotor on J 21352-A in order to fully support the rotor hub during the bearing installation.
  2. Align the new bearing with the hub bore.
  3. Using J 9481-A and J 8092 , drive the bearing into the hub.
  4. Using J 9481-A , apply force to the outer race of the bearing.


    Object Number: 210151  Size: SH
  5. Place J 33019 and the staking pin in the hub bore.
  6. Shift the rotor and bearing assembly on J 21352-A in order to fully support of the hub under the location of the staking pin.
  7. Use a heavy-duty rubber band (1) in order to hold the stake pin in the guide of J 33019 .
  8. Important: In order to prevent distortion of the outer race, do not allow a metal stake to contact the outer face of the bearing.

  9. Using care in order to prevent injury, strike the staking pin of J 33019 . Properly position the stake pin in the guide after each impact on the pin.
  10. Continue to strike the pin of J 33019 until a stake, similar to the original stake, is formed down to, but not touching, the bearing.

  11. Object Number: 6147  Size: SH
  12. Stake three places 120 degrees apart.

  13. Object Number: 237122  Size: SH
  14. With the compressor mounted to J 34992 , position the rotor and bearing assembly on the front head.
  15. Position J 33017 and J 33023-A directly over the inner race of the bearing.
  16. Position J 8433-1 on J 33023-A .
  17. Assemble the two through bolts and the washers of J 34992 through the slots of J 8433-1 .
  18. Thread the two through bolts into J 34992 .
  19. Ensure that the thread of the through bolts engages the full thickness of J 34992 .

  20. Tighten J 8433-3 in J 8433-1 in order to force the pulley rotor and bearing assembly onto the front head of the compressor.
  21. If J 33017 slips off direct, in-line contact with the inner face of the bearing, use the following steps:
  22. 16.1. Loosen J 8433-3 .
    16.2. Realign J 33017 and J 33023-A in order to ensure that the installer clears the front head.

    Object Number: 237119  Size: SH
  23. Install the rotor and bearing assembly retainer ring using J 6083 .
  24. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Install .