GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8433-1 Puller Bar
    • J 8433-3 Forcing Screw
    • J 33024 Clutch Coil Installer Adapter
    • J 34992 Compressor Holding Fixture

Assembly Procedure


    Object Number: 1280076  Size: SH
  1. Place the clutch coil assembly on the compressor housing with the terminals positioned at the marked location.
  2. Place J 33024  (1) over the internal opening of the clutch coil housing and align J 33024  (1) with the compressor housing.

  3. Object Number: 1280077  Size: SH
  4. Center J 8433-1  (4) in the countersunk center hole of J 33024  (3).
  5. Install J 34992  (2), the through-bolts, and the washers through the crossbar slots.
  6. Thread the through-bolts into the holding fixture to the full thickness of the holding fixture.
  7. Important: Ensure the clutch coil and the installer stay in-line during installation.

  8. Turn J 8433-3  (1), or use a suitable vise, to force the clutch coil onto the compressor housing.

  9. Object Number: 1280078  Size: SH
  10. When the clutch coil is fully seated on the compressor housing, use a 3-mm (0.12-in) diameter drift punch and stake the housing at 3 places, each 120 degrees apart, to ensure that the clutch coil will remain in position. Stake point size should be only one-half the area of the punch tip and approximately 0.28-0.35 mm (0.010-0.015 in) deep.
  11. Install the clutch rotor and bearing assembly. Refer to Clutch Rotor and/or Bearing Install .
  12. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate and Hub Assembly Removal .
  13. Install the compressor. Refer to Air Conditioning Compressor Replacement .
  14. Connect the negative battery cable.
  15. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .