Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant from the A/C System. Refer to Refrigerant Recovery and Recharging .
2. Remove the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement in Engine Mechanical - 6.0L.
3. Remove the A/C compressor hose assembly from the A/C compressor. Refer to Compressor Hose Assembly Replacement .
4. Lower the front suspension crossmember, refer to Front Suspension Crossmember Replacement in Frame and Underbody.
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 .

9. If replacing the A/C compressor, balance the compressor. Refer to Air Conditioning Compressor Oil Balancing .

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

Notice: Refer to Fastener Notice in the Preface section.





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

Tighten
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 in Frame and Underbody.
7. Install the compressor hose assembly to the A/C compressor. Refer to Compressor Hose Assembly Replacement .
8. Install the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement in Engine Mechanical - 6.0L.
9. Evacuate and recharge the A/C System. Refer to Refrigerant Recovery and Recharging .
10. Leak test the fittings of the A/C components using J 39400-A .