Air Conditioning Compressor Replacement LX9

Tools Required

J 39400-A Halogen Leak Detector

1. Recover refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the engine drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.5L (LX9).
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.



4. Remove the right front fender liner. Refer to Front Fender Liner Replacement .
5. Remove the right radiator air deflector retainers.
6. Remove the right radiator air deflector.



7. Remove the compressor hose nut from the compressor.
8. Remove the compressor hose from the compressor.



9. Remove the compressor hose and liquid line bolt from the condenser.
10. Remove the compressor hose from the condenser.
11. Remove the liquid line from the condenser.
12. Remove the compressor wire harness connector.
13. Remove the compressor mounting bolts.



14. Remove the compressor.

Important: Cap all A/C components immediately to prevent system contamination.

15. Remove and discard the sealing washers.

Important: Use a low viscosity, poly-alkylene glycol (PAG) oil. Use of the incorrect oil can result in compressor failure.

1. If replacing the compressor, refer to Compressor Oil Balancing .
2. Uncap A/C components.
3. Install new sealing washers. Refer to Sealing Washer Replacement .
4. Install the compressor.




Notice: Refer to Fastener Notice in the Preface section.

5. Install the compressor mounting bolts.

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

6. Install the compressor wire harness connector.



7. Install the liquid line to the condenser.
8. Install the compressor hose to the condenser.
9. Install the compressor hose and liquid line bolt to the condenser.

Tighten
Tighten the bolt to 20 N·m (15 lb ft).




10. Install the compressor hose to the compressor
11. Install the compressor hose nut to the compressor.

Tighten
Tighten the nut to 20 N·m (15 lb ft).

Important: Radiator air deflectors must be properly installed or reduced A/C and engine cooling system performance could occur.




12. Install the right radiator air deflector.
13. Install the right radiator air deflector retainers.
14. Install the right front fender liner. Refer to Front Fender Liner Replacement .
15. Lower the vehicle.
16. Install the engine drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.5L (LX9).
17. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
18. Leak test the fittings using theJ 39400-A .