GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 Torrent 🢒 HVAC 🢒 HVAC - Manual 🢒 Compressor Clutch Assembly Replacement

Tools Required

    • J 25031-A Three Jaw Puller
    •  J 37872 Universal Spanner Wrench
    •  GE-47849 Clutch Remover
    • GE-47850 Center Puller
    •  GE-47851 Armature Replacer

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

    2. Object Number: 1646764 Size: SH
  2. Use J 37872 to hold the compressor clutch.

    3. Object Number: 1646767 Size: SH
  3. Remove the bolt retaining the compressor clutch to the compressor.

    4. Object Number: 1654107 Size: SH
  4. Install GE-47849 to the compressor clutch.
  5. Using GE-47849 , remove the compressor clutch from the compressor.
  6. Remove the compressor clutch shims from the compressor shaft.

    7. Object Number: 1654113 Size: SH
  7. Remove the snap ring from the compressor pulley.
  8. Using GE-47850 with J 25031-A , remove the compressor pulley from the compressor.

    9. Object Number: 1654117 Size: SH
  9. Remove the clutch field coil connector bracket screw from the compressor.

    10. Object Number: 1654121 Size: SH
  10. Remove the clutch field coil screws from the compressor.

    11. Object Number: 1654124 Size: SH
  11. Remove the clutch field coil from the compressor.

Installation Procedure

    Object Number: 1654124 Size: SH
  1. Clean the clutch field coil and the pulley mounting surfaces.
  2. Install the clutch field coil to the compressor.

    3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1654121 Size: SH
  3. Install the clutch field coil screws to the compressor.

    4. Tighten
    Tighten the screws to 4.9 N·m (43 lb in).


    Object Number: 1654117 Size: SH
  4. Install the clutch field coil connector bracket screw to the compressor.

    5. Tighten
    Tighten the screws to 4.3 N·m (38 lb in).


    Object Number: 1654128 Size: SH
  5. Using GE-47851 , install the compressor pulley to the compressor.

    6. Object Number: 1654113 Size: SH

    Important: Ensure that the compressor pulley snap ring is installed with the rounded edge face up.

  6. Install the snap ring to the compressor pulley.
  7. Install the compressor clutch shims to the compressor shaft.
  8. Align the compressor clutch with the compressor shaft and install to the compressor.

    9. Object Number: 1654132 Size: SH
  9. Using GE-47851 , install the compressor clutch to the compressor.

    10. Object Number: 1654136 Size: SH
  10. Using a feeler gage, check the clearance between the compressor clutch and the compressor pulley. Ensure the clearance is 0.3 mm to 0.6 mm (0.012 in to 0.024 in).
  11. Once the correct air gap is obtained, install the new clutch bolt.
  12. Using J 37872 to hold the compressor clutch, tighten the clutch bolt.

    13. Tighten
    Tighten the bolt to 21 N·m (16 lb ft).

  13. After the clutch bolt is installed, verify that the compressor pulley spins freely.
  14. Install the compressor to the vehicle. Refer to Air Conditioning Compressor Replacement .