Compressor Clutch: Service and Repair

Compressor Clutch Assembly Replacement

Special Tools
* 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 (LNJ) (Service and Repair)Air Conditioning Compressor Replacement (LY7) (Service and Repair).




2. Use J 37872 to hold the compressor clutch.




3. Remove the bolt retaining the compressor clutch to the compressor.




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. Remove the snap ring from the compressor pulley.
8. Using GE-47850 with J 25031-A , remove the compressor pulley from the compressor.




9. Remove the clutch field coil connector bracket screw from the compressor.




10. Remove the clutch field coil screws from the compressor.




11. Remove the clutch field coil from the compressor.

Installation Procedure




1. Clean the clutch field coil and the pulley mounting surfaces.
2. Install the clutch field coil to the compressor.





Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the clutch field coil screws to the compressor and tighten the screws to 4.9 Nm (43 lb in).




4. Install the clutch field coil connector bracket screw to the compressor and tighten the screw to 4.3 Nm (38 lb in).




5. Using GE-47851 , install the compressor pulley to the compressor.





Note: 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. Using GE-47851 , install the compressor clutch to the compressor.




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 to 21 Nm (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 (LNJ) (Service and Repair)Air Conditioning Compressor Replacement (LY7) (Service and Repair).