GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 41790-A Compressor Holding Fixture
    • J 8433-1 Compressor Pulley Puller
    • J 8433-3 Forcing Screw
    • J 33025 Clutch Coil Puller Legs
    • 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: 157224  Size: SH
  4. Install the J 33023-A onto the front head of the compressor.
  5. Remove the compressor clutch plate and hub assembly. Refer to Compressor Clutch Plate and Hub Assembly .
  6. Remove the compressor rotor and bearing assembly. Refer to Clutch Rotor and/or Bearing .

  7. Object Number: 157234  Size: SH
  8. Mark the clutch coil terminal location (2) on the compressor front head.
  9. Install the J 33025 onto the J 8433-1 .
  10. Install the J 8433-1 onto the compressor clutch coil (1) and tighten the puller leg bolts.
  11. Tighten the center forcing screw J 8433-3 of the compressor pulley puller J 8433-1 against the puller pilot in order to remove the compressor clutch coil from the compressor.

Installation Procedure

Tools Required

    • J 41790-A Compressor Holding Fixture
    • J 33024 Clutch Coil Installer Adaptor
    • J 33025 Clutch Coil Puller Legs
    • J 8433-1 Compressor Pulley Puller
    • J 8433-3 Forcing Screw

    Object Number: 157238  Size: SH
  1. Place the clutch coil assembly (1) on the front head with the clutch coil terminal at the positioned at the mark made during disassembly.
  2. Place the J 33024 over the internal opening of the clutch coil housing and align installer with the compressor front head.
  3. Install the J 8433-3 into the J 8433-1 and center the screw in the countersunk center hole of the J 33024 .
  4. Install the 4 inch through bolts and the washers from the J 42136 tool kit into the J 33025 and attach the bolts and the washers to the compressor mounting bosses.
  5. Turn the center forcing screw of the J 8433-3 in order to press the clutch coil onto the front head until the clutch coil is fully seated.
  6. Ensure that the clutch coil and the J 33024 stay in line with each other while pressing the clutch coil onto the compressor.

  7. Install the compressor clutch rotor and bearing assembly. Refer to Clutch Rotor and/or Bearing .
  8. Install the compressor clutch plate and hub assembly. Refer to Compressor Clutch Plate and Hub Assembly .
  9. Remove the compressor from the J 41790-A .
  10. Install the compressor into the vehicle. Refer to Air Conditioning Compressor Replacement .