GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6083 Snap Ring Pliers
    • J 8433-1 Puller Bar
    • J 8433-3 Forcing Screw
    • J 33017 Pulley and Bearing Assembly Installer
    • J 33023-A Puller Pilot
    • J 33024 Clutch Coil Installer Adapter
    • J 33025 Clutch Coil Puller Legs
    • J 39400-A Halogen Leak Detector
    • J 34992 Holding Fixture
    • J 41552 Pulley Puller

Removal Procedure

  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the compressor from the vehicle. Refer to Air Conditioning Compressor Replacement .
  3. Remove the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Replacement .
  4. Use the J 6083 in order to remove the following components:
  5. • The pulley rotor
    • The bearing assembly retaining ring

    Object Number: 258034  Size: SH
  6. Install the J 33023-A to the front head.
  7. Install the J 41552 down into the inner circle of slots (1) in the rotor.

  8. Object Number: 258031  Size: SH
  9. Turn the J 41552 clockwise in the slots in the rotor.
  10. Perform the following steps in order to remove the pulley rotor and bearing assembly:
  11. 8.1. Hold the J 41552 in position.
    8.2. Tighten the puller screw against the puller guide.
    8.3. Remove the pulley rotor and bearing assembly.

    Object Number: 573938  Size: SH
  12. Mark the clutch coil terminal location (1) on the compressor front head.

  13. Object Number: 258027  Size: SH
  14. Install the J 33023-A on the front head of the compressor.
  15. Install the J 8433-1 and the J 33025 .
  16. Tighten the J 8433-3 against the puller pilot in order to remove the clutch coil (2).
  17. Remove the clutch coil from the compressor.

Installation Procedure

  1. Install the clutch coil to the compressor.

  2. Object Number: 573938  Size: SH
  3. Place the clutch coil assembly on the front head. Position the terminals (1) at the marked location.

  4. Object Number: 258029  Size: SH
  5. Place the J 33024 over the internal opening of the clutch coil housing (1).
  6. Align the J 33024 with the compressor front head.
  7. Center the J 8433-1 in the counter-sunk center hole of the J 33024 .
  8. Install the two bolts and washers through the crossbar slots.
  9. Thread the bolts into the J 34992 in order to achieve full fixture thickness.
  10. Turn the center forcing screw of the J 8433-1 in order to force the clutch coil onto the front head. Ensure that the clutch coil and the J 33024 remain aligned during installation.

  11. Object Number: 6997  Size: SH
  12. When the coil is fully seated on the front head, mark the front head at 3 places 120 degrees apart.

  13. Object Number: 258042  Size: SH

    Important: Ensure that the stake size is only one-half the area of the punch tip. Ensure that the stake is only approximately 0.28-0.35 mm (0.010-0.015 in) deep.

  14. Use a 1/8 inch diameter drift punch (2) in order to stake the front head at 3 places 120 degrees apart (3), in order to ensure that the clutch coil (1) remains in position.

  15. Object Number: 258028  Size: SH
  16. With the compressor mounted to the J 34992 , position the pulley rotor (1) and bearing assembly on the front head.
  17. Position the J 33017 and the J 33023-A directly over the inner race of the bearing.
  18. Position the J 8433-1 on the J 33023-A .
  19. Assemble the two bolts and washers through the puller bar slots.
  20. Thread the bolts into the J 34992 . Ensure that the thread of the through bolts engages the full thickness of the J 34992 .
  21. Tighten the center screw in the J 8433-1 in order to force the pulley rotor and bearing assembly onto the compressor front head.
  22. If the J 33017 slips off direct in-line contact with the inner race and bearing, perform the following steps:
  23. 17.1. Loosen the J 8433-3 .
    17.2. Realign the installer and the pilot in order to ensure that the J 33017 properly clears the front head.

    Object Number: 258032  Size: SH
  24. Use the J 6083 in order to install the following components:
  25. • The pulley rotor (1)
    • The retainer ring (2)
  26. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Replacement .
  27. Install the compressor to the vehicle. Refer to Air Conditioning Compressor Replacement .
  28. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  29. Leak test the fitting(s) of the repaired or reinstalled component using the J 39400-A .