GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Compressor Clutch Assembly Replacement

Tools Required

    • J 37872 Compressor Clutch Holding Tool
    • J 6083 Snap Ring Pliers
    • J 39400-A Halogen Leak Detector

Removal Procedure
  1. Remove the compressor. Refer to Air Conditioning Compressor Replacement.

    2. Object Number: 872553 Size: SH

    Note: Remove the three adjustable dowels from the J37872 Compressor Clutch Holding Tool.

    Install three 5/16 x 1 inch bolts in place of the dowels.

  2. Remove and discard the compressor clutch plate bolt.

    3. Use the J 37872 Compressor Clutch Holding Tool to hold the compressor clutch plate from turning.


    Object Number: 872556 Size: SH
  3. Remove the compressor clutch plate from the compressor.

    4. Object Number: 872558 Size: SH
  4. Remove the compressor pulley snap ring using the J 6083 Snap Ring Pliers .

    5. Object Number: 872560 Size: SH
  5. Remove the compressor pulley from the compressor.

    6. Object Number: 872563 Size: SH
  6. Remove the compressor clutch coil snap ring using the J 6083 Snap Ring Pliers .

    7. Object Number: 872561 Size: SH
  7. Remove the compressor clutch coil from the compressor.

Installation Procedure
  1. Carefully clean the clutch plate bolt threads with a M6x1.0 tap. Carefully blow out debris with compressed air.

    2. Object Number: 872561 Size: SH
  2. Install the compressor clutch coil to the compressor.

    3. Object Number: 872563 Size: SH
  3. Install the compressor clutch coil snap ring using the J 6083 Snap Ring Pliers .

    4. Object Number: 872560 Size: SH
  4. Install the compressor pulley to the compressor.

    5. Object Number: 872558 Size: SH
  5. Install the compressor pulley snap ring using the J 6083 Snap Ring Pliers .
  6. Place a small amount of oil on the 0.4 mm (0.016 in) air gap shim and place inside the clutch drive plate.

    7. Object Number: 872556 Size: SH
  7. Install the compressor clutch plate to the compressor.

    8. Object Number: 187363 Size: SH

    Note: Make certain that the drive plate does not drag against the pulley when the pulley is rotated.

  8. Measure the air gap between the pulley and the drive plate. Adjust the shims to achieve a 0.3-0.6 mm (0.012-0.024 in) air gap.

    9. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 872553 Size: SH

    Important: Make certain that the new drive plate bolt has colored adhesive on at least 5 threads.

  9. Install the clutch drive plate bolt.
  10. Tighten the compressor clutch drive plate bolt to 12 N·m (106 lb in).

    11. Use the J 37872 Compressor Clutch Holding Tool to hold the compressor clutch plate from turning.

  11. Install the compressor. Refer to Air Conditioning Compressor Replacement.
  12. Leak test the fittings using the J 39400-A Halogen Leak Detector .