Air Conditioning Compressor Replacement

Compressor Replacement

Special Tools

J 39400-A Halogen Leak Detector


Removal Procedure





1. Recover the refrigerant from the A/C System. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
2. Remove the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement (Air Conditioning Compressor Belt Replacement) .
3. Remove the A/C compressor hose assembly from the A/C compressor. Refer to Compressor Hose Assembly Replacement (Compressor Hose Assembly Replacement) .
4. Lower the front suspension crossmember. Refer to Front Suspension Crossmember Replacement (Without Z06) (Front Suspension Crossmember Replacement (Without Z06))Front Suspension Crossmember Replacement (With Z06) (Front Suspension Crossmember Replacement (With Z06)) .
5. Disconnect the A/C compressor electrical connector.




6. Remove the A/C compressor mounting bolts (1, 2, 4).
7. Remove the A/C compressor mounting nut (3).
8. Remove the A/C compressor from the vehicle.

Important: Replacement A/C compressors are charged with polyalkylene glycol (PAG) oil. Refer to Refrigerant System Capacities ([1][2]Capacity Specifications) .


9. If replacing the A/C compressor, oil balance the compressor. Refer to Compressor Oil Balancing (Service and Repair) .



Installation Procedure

1. Install the A/C compressor to the vehicle.





Important: Finger tighten the A/C compressor bolts and nuts only, do not torque at this time.


2. Position the A/C compressor onto the A/C compressor bracket and install the A/C compressor mounting bolts (1, 2, 4).
3. Install the A/C compressor mounting nut (3).

Notice: Refer to Fastener Notice (Fastener Notice) .

4. Tighten the A/C compressor mounting bolts and nut in sequence.

Tighten the bolts and nut to 50 N.m (37 lb ft).





5. Connect the A/C compressor electrical connector.
6. Raise and install the front suspension crossmember. Refer to Front Suspension Crossmember Replacement (Without Z06) (Front Suspension Crossmember Replacement (Without Z06))Front Suspension Crossmember Replacement (With Z06) (Front Suspension Crossmember Replacement (With Z06)) .
7. Install the compressor hose assembly to the A/C compressor. Refer to Compressor Hose Assembly Replacement (Compressor Hose Assembly Replacement) .
8. Install the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement (Air Conditioning Compressor Belt Replacement) .
9. Evacuate and recharge the A/C System. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
10. Leak test the fittings of the A/C components using J 39400-A .