GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Epica 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Conditioning Clutch Coil Replacement

Tools Required

    • J 33023-A Puller Pilot
    • J 33024 Clutch Coil Installer Adapter
    • J 33025 Clutch Coil Puller Legs
    • J 34992 Compressor Holding Fixture
    • J 8433-1 Puller Bar
    • J 8433-3 Forcing Screw

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1256090 Size: SH
  1. Disconnect the negative battery cable.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the compressor. Refer to Air Conditioning Compressor Replacement .
  4. Remove the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Replacement .
  5. Remove the clutch rotor and bearing. Refer to Clutch Rotor and/or Bearing Replacement .
  6. Mark the clutch coil terminal location on the compressor housing.
  7. Install the J 33023-A  (3) on the compressor housing. Also install the J 8433-1  (1) with the J 33025  (4).
  8. Tighten the J 8433-3  (1) against the J 33023-A  (3) to remove the clutch coil.

Installation Procedure

    Object Number: 1251999 Size: SH
  1. Place the J 33024  (1) over the internal opening of the clutch coil housing and align the J 33024  (1) with the compressor housing.

    2. Object Number: 1252001 Size: SH
  2. Center the J 8433-1  (4) in the countersunk center hole of the J 33024  (3). Install the through-bolts of the J 34992  (2) and the washers in the crossbar slots. Thread them into the holding fixture to the full thickness of the holding fixture.

    3. Important: Be sure the clutch coil and the installer stay in-line during installation.

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

    4. Object Number: 1252002 Size: SH
  4. When the clutch coil is fully seated on the compressor housing, use a 3 mm (1/8 in) diameter drift punch and stake the housing at 3 places, 120 degrees apart, to ensure that the clutch coil will remain in position. The stake point size should be only 1/2 the area of the punch tip and approximately 0.28-0.35 mm (0.010-0.015 in) deep.
  5. Install the clutch rotor and bearing assembly. Refer to Clutch Rotor and/or Bearing Replacement .
  6. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Replacement .
  7. Install the compressor. Refer to Air Conditioning Compressor Replacement .
  8. Connect the negative battery cable.
  9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .