Air Conditioning Compressor Replacement 3.1L

Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.1L.
3. Remove the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement in Engine Cooling.
4. Remove the splash shield from the right side of the engine. Refer to Engine Splash Shield Replacement in Body Front End.



5. Remove the A/C compressor hose nut from the compressor.
6. Remove the A/C compressor hose from the compressor.

Important: Remove and discard all sealing washers.

7. Disconnect the electrical connector from the A/C compressor.



8. Remove the bottom mounting bolt.
9. Remove the 2 top mounting bolts.
10. Remove the A/C compressor.



11. If replacing the compressor, drain and measure as much of the oil as possible from the removed compressor:

11.1.

Drain the oil from both the suction and discharge ports of the removed compressor into a clean container.

11.2.

Remove the compressor crankcase oil drain plug (1) and drain the crankcase oil into the same container.

11.3.

Measure and record the amount of oil drained from the removed compressor.

This measurement will be used during installation of the replacement compressor.

11.4.

Properly discard the used PAG oil.

Important: The replacement compressor is shipped without PAG oil.

Refer to Refrigerant System Capacities for compressor oil capacity.
1. Add the proper amount of PAG oil to the compressor crankcase.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the compressor drain plug (1).

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




3. Install the A/C compressor.
4. Install the 2 top A/C compressor mounting bolts.

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

5. Install the bottom A/C compressor mounting bolt.

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

6. Install new sealing washers. Refer to Compressor Sealing Washers Replacement .



7. Install the A/C compressor hose to the compressor.
8. Install the A/C compressor hose nut to the compressor.

Tighten
Tighten the nut to 33 N·m (24 lb ft).

9. Connect the electrical connector to the A/C compressor.
10. Install the splash shield to the right side of the engine. Refer to Engine Splash Shield Replacement in Body Front End.
11. Install the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement in Engine Cooling.
12. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.1L.
13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
14. Leak test the fittings of the component using J 39400-A .

Air Conditioning Compressor Replacement 3.8L

Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.8L.
3. Remove the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement in Engine Cooling.
4. Remove the splash shield from the right side of the engine. Refer to Engine Splash Shield Replacement in Body Front End.



5. Remove the A/C compressor hose nut from the compressor.
6. Remove the A/C compressor hose from the compressor.

Important: Remove and discard all sealing washers.

7. Disconnect the electrical connector from the A/C compressor.



8. Remove the rear mounting bolts from the A/C compressor.
9. Remove the front mounting nuts from the A/C compressor.
10. Remove the A/C compressor.
11. Remove the A/C compressor mounting bracket bolts.



12. If replacing the compressor, drain and measure as much of the oil as possible from the removed compressor:

12.1.

Drain the oil from both the suction and discharge ports of the removed compressor into a clean container.

12.2.

Remove the compressor crankcase oil drain plug (1) and drain the crankcase oil into the same container.

12.3.

Measure and record the amount of oil drained from the removed compressor.

This measurement will be used during installation of the replacement compressor.

12.4.

Properly discard the used PAG oil.

Important: The replacement compressor is shipped without PAG oil.

Refer to Refrigerant System Capacities for compressor oil capacity.
1. Add the proper amount of PAG oil to the compressor crankcase.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the compressor drain plug (1).

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




3. Install the A/C compressor bracket and the mounting bolts.

Tighten

•	Tighten the upper bracket bolt to 50 N·m (37 lb ft).

•	Tighten the lower bracket bolt to 80 N·m (59 lb ft).

4. Install the A/C compressor.
5. Install the A/C compressor front nuts.

Tighten
Tighten the nuts to 100 N·m (74 lb ft).

6. Install the A/C compressor rear bolts.

Tighten
Tighten the bolts to 31 N·m (23 lb ft).

7. Install new sealing washers. Refer to Compressor Sealing Washers Replacement .



8. Install the A/C compressor hose to the compressor.
9. Install the A/C compressor hose nut to the compressor.

Tighten
Tighten the nut to 33 N·m (24 lb ft).

10. Connect the electrical connector to the A/C compressor.
11. Install the splash shield to the right side of the engine. Refer to Engine Splash Shield Replacement in Body Front End.
12. Install the lower air deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement in Engine Cooling.
13. Lower the vehicle.
14. Install the accessory drive belt. Refer to Drive Belt Tensioner Replacement in Engine Mechanical - 3.8L.
15. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
16. Leak test the fittings of the component using J 39400-A .