GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 41790-A Compressor Holding Fixture
    • J 41552 Compressor Pulley Puller
    • J 33023-A Puller Pilot

    Object Number: 157595  Size: SH
  1. Remove the compressor from the vehicle. Refer to Air Conditioning Compressor Replacement .
  2. Install the compressor onto the J 41790-A .

  3. Object Number: 157223  Size: SH
  4. Remove the clutch plate and hub assembly (2). Refer to Compressor Clutch Plate and Hub Assembly .
  5. Remove the clutch rotor and bearing assembly retaining ring (3), using external snap ring pliers (1).
  6. Place the J 33023-A on the clutch rotor.
  7. Install the J 41552 down into the inner circle of slots in the rotor.
  8. Turn the compressor pulley puller clockwise in the slots in order to engage the puller tangs with the rotor.
  9. Hold the compressor pulley puller in place. Use a wrench in order to turn the center forcing screw against the puller pilot in order to remove the clutch rotor and bearing assembly.

Installation Procedure

Tools Required

    • J 33013-B Hub and Drive Plate Installer
    • J 33017 Puller and Bearing Assembly Installer
    • J 41790-A Compressor Holding Fixture

    Object Number: 157226  Size: SH
  1. Position the clutch rotor and bearing assembly (2) onto the compressor.
  2. Position the J 33017 and the bearing (1) from the J 33013-B directly over the inner race of the bearing.
  3. Place the washer (3) from the J 42126 tool kit onto the body of the J 33013-B .
  4. Remove the center screw from the body of the J 33013-B .
  5. Install the center screw into the opposite end of the J 33013-B .
  6. Back off the body of the J 33013-B enough in order to allow the center screw to be threaded onto the end of the compressor shaft.
  7. Thread the center screw several turns onto the end of the compressor shaft.
  8. Do not tighten the center screw on the compressor shaft.

  9. Hold the center screw with a wrench.
  10. Tighten the hex portion of the J 33013-B body several turns.
  11. Remove the J 33013-B from the clutch rotor and bearing assembly.
  12. Verify that the clutch rotor and bearing (2) is pressed onto the nose of the compressor far enough in order to clear the retaining ring groove.
  13. If the clutch rotor and bearing does not clear the groove, repeat steps 7 through 9.

  14. Install the clutch rotor and bearing retaining ring (3) using external snap ring pliers (1).
  15. Ensure that the chamfer side of the retaining ring is facing up when the retaining ring is being installed.

  16. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate and Hub Assembly .
  17. Remove the compressor from the J 41790-A .
  18. Install the compressor into the vehicle. Refer to Air Conditioning Compressor Replacement .