Air Conditioning Compressor Replacement LY7

Special Tools

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
3. Remove the drive belt tensioner. Refer to Air Conditioning Compressor and Power Steering Pump Belt Tensioner Replacement.
4. Reposition power steering reservoir aside. Refer to Remote Power Steering Fluid Reservoir Replacement.
5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
6. Remove the LH wheel and tire. Refer to Tire and Wheel Removal and Installation.
7. Remove the engine splash shield. Refer to Air Inlet Grille Panel Replacement.



8. Remove the suction line bolt (1) at the compressor.
9. Remove the discharge line bolt (2) at the compressor.
10. Disconnect the A/C lines from the compressor.
11. Disconnect the electrical connector from the compressor.
12. Remove the compressor mounting bolts.
13. Lower the vehicle.



14. Rotate the compressor and remove from the vehicle.
15. Replace the desiccant bag if the following conditions exist. Refer to Air Conditioning Refrigerant Desiccant Replacement.

•	Color of PAG oil is brown or black

•	Presence of foreign substances

16. If you are replacing the compressor, balance the compressor oil. Refer to Air Conditioning Compressor Oil Balancing.
17. Remove and discard the O-ring seals from the compressor suction and discharge lines. Refer to O-Ring Replacement.

1. Install the compressor.
2. Raise and support the vehicle.



3. Install the compressor mounting bolts.

Caution: Refer to Fastener Caution in the Preface section.

4. Tighten the compressor mounting bolts and tighten to 25 N·m (18 lb ft).
5. Connect the electrical connector.



6. Install new O-ring seals to the line fittings. Refer to O-Ring Replacement.
7. Connect the suction line to the compressor.
8. Install the suction line bolt (1) and tighten to 9.8 N·m (87 lb in).
9. Connect the discharge line to the compressor
10. Install the discharge line bolt (2) and tighten to 9.8 N·m (87 lb in).
11. Install the engine splash shield. Refer to Air Inlet Grille Panel Replacement.
12. Install the LH wheel and tire. Refer to Tire and Wheel Removal and Installation.
13. Lower the vehicle.
14. Reposition and install the power steering reservoir. Refer to Remote Power Steering Fluid Reservoir Replacement.
15. Install the drive belt tensioner. Refer to Air Conditioning Compressor and Power Steering Pump Belt Tensioner Replacement.
16. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
17. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
18. Using J 39400-A , leak test the fitting of the repaired or reinstalled component.

Air Conditioning Compressor Replacement LH2

Special Tools

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
3. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump.
4. Reposition power steering reservoir aside. Refer to Remote Power Steering Fluid Reservoir Replacement.
5. Remove the cooling fan assembly. Refer to Fan Replacement or to Engine Coolant Fan Replacement.
6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
7. Remove the LH wheel and tire. Refer to Tire and Wheel Removal and Installation.
8. Remove the engine splash shield. Refer to Air Inlet Grille Panel Replacement.



9. Remove the suction line bolt (1) from the compressor.
10. Remove the discharge line bolt (2) from the compressor.
11. Disconnect the suction and discharge line from the compressor.
12. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
13. Disconnect the electrical connector from the compressor.
14. Remove the compressor mounting bolts.
15. Lower the vehicle.



16. Rotate the compressor and remove from the vehicle.
17. Replace the desiccant bag if the following conditions exist. Refer to Air Conditioning Refrigerant Desiccant Replacement.

•	Color of PAG oil is brown or black

•	Presence of foreign substances

18. If you are replacing the compressor, balance the compressor oil. Refer to Air Conditioning Compressor Oil Balancing.
19. Remove and discard the O-ring seals from the compressor suction and discharge lines. Refer to O-Ring Replacement.

1. Install the compressor.
2. Raise and support the vehicle.
3. Install the compressor mounting bolts.

Caution: Refer to Fastener Caution in the Preface section.

4. Tighten the compressor mounting bolts and tighten to 25 N·m (18 lb ft).
5. Connect the electrical connector.
6. Install the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.



7. Install new O-ring seals to the line fittings. Refer to O-Ring Replacement.
8. Connect the suction line to the compressor.
9. Install the suction line bolt (1) and tighten to 9.8 N·m (87 lb in).
10. Connect the discharge line to the compressor.
11. Install the discharge line bolt (2) and tighten to 9.8 N·m (87 lb in).
12. Install the engine splash shield. Refer to Air Inlet Grille Panel Replacement.
13. Install the LH wheel and tire. Refer to Tire and Wheel Removal and Installation.
14. Lower the vehicle.
15. Install the cooling fan assembly. Refer to Fan Replacement or to Engine Coolant Fan Replacement.
16. Reposition and install the power steering reservoir. Refer to Remote Power Steering Fluid Reservoir Replacement.
17. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Air Conditioning, Power Steering, and Water Pump.
18. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
19. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
20. Using J 39400-A , leak test the fitting of the repaired or reinstalled component.