GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 33027-A Clutch Hub Holding Tool

Disassembly Procedure


    Object Number: 1786873  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection
  2. Recover the refrgerant. Refer to Refrigerant Recovery and Recharging
  3. Remove the compressor. Refer to Air Conditioning Compressor Replacement .
  4. Use J 33027-A to prevent the clutch drive assembly from turning.
  5. Remove the bolt from the clutch drive assembly.

  6. Object Number: 1786878  Size: SH
  7. Pull and remove the clutch drive assembly from the compressor.

Assembly Procedure


    Object Number: 1786882  Size: SH
  1. Install the clutch drive assembly to the compressor.

  2. Object Number: 1786885  Size: SH

    Important: If air gap is not correct, change the shim to meet the air gap.

  3. Check the air gap with the wire gauge by pressing the clutch drive assembly before tightening the clutch drive bolt. Air Gap: 0.3-0.6 mm
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1786873  Size: SH
  5. Install the clutch drive bolt to the clutch drive assembly.
  6. Tighten
    Tighten the clutch drive bolt to 13.5 N·m (10 lb ft).


    Object Number: 1786888  Size: SH
  7. Recheck the air gap with feeler gauge. Air Gap: 0.3-0.6 mm
  8. Install the compressor. Refer to Air Conditioning Compressor Replacement .