Air Conditioning Compressor Hose Replacement LL8

Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .



2. Remove the compressor hose assembly nut (3).
3. Remove the compressor hose assembly from the compressor (4).
4. Remove the sealing washers.
5. Remove the compressor suction hose nut from the accumulator.
6. Remove the compressor suction hose from the accumulator.
7. Remove the O-ring seal.
8. Remove the bolt from the lift bracket.
9. Remove the nut from the engine stud.



10. Remove the compressor discharge hose (2) from the condenser (4).
11. Remove the nut from compressor hose connection in driver wheel opening.
12. Remove the O-ring seals.
13. Cap or plug all of the open connections.

1. Install new O-ring seals. Refer to O-Ring Replacement .
2. Install the compressor discharge hose (2) to the condenser (4).

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.

3. Install the compressor discharge hose nut.

Tighten
Tighten the hose nut to 28 N·m (21 lb ft).

4. Install the compressor hose to the connector through the driver wheel opening.
5. Install the nut.

Tighten
Tighten the nut to 48 N·m (35 lb ft).

6. Install the compressor suction hose to the stud on the engine.
7. Install the nut.

Tighten
Tighten the nut to 48 N·m (35 lb ft).

8. Install the compressor suction hose to the engine lift bracket.
9. Install the bolt.

Tighten
Tighten the bolt to 48 N·m (35 lb ft).

10. Connect the compressor suction hose (1) to the accumulator.
11. Install the compressor suction hose nut to the accumulator.

Tighten
Tighten the nut to 48 N·m (35 lb ft).

12. Install the sealing washers. Refer to Sealing Washer Replacement .



13. Connect the compressor hose assembly hose to the compressor (4).
14. Install the compressor hose assembly washers.
15. Install the retaining nut (3).

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

16. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
17. Leak test the fittings of the components using the J 39400-A .

Air Conditioning Compressor Hose Replacement LM4

Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the washer bottle. Refer to Windshield Washer Solvent Container Replacement in Wipers/Washer Systems.



3. Remove the retaining nut (1) from the compressor hose (4) at the accumulator (2).
4. Remove the retaining nut from the compressor hose at the auxiliary HVAC piping connection (3).
5. Remove the compressor hose from the accumulator (2).
6. Remove the compressor hose from the auxiliary HVAC piping.



7. Disconnect the pressure sensor electrical connector.
8. Remove the compressor hose mounting nut (2) from the A/C compressor.
9. Remove the heater hose bracket nut at the engine.
10. Remove the bracket from the stud.
11. Turn the compressor hose assembly to clear the heat shield.
12. Lift and remove the compressor hose assembly from the compressor.



13. Remove the compressor hose assembly from the condenser.
14. Remove the compressor hose assembly.
15. Remove the compressor hose from the A/C compressor.
16. Remove the compressor hose from the condenser.
17. Disconnect the electrical connector from the A/C low pressure switch.
18. Remove the nut from the compressor hose at the accumulator.
19. Remove the compressor hose from the accumulator.
20. Remove the compressor hose from the vehicle.
21. Discard all of the used sealing washers. Cap the system openings.

1. Install the compressor hose assembly.



2. Install the compressor hose to the condenser using new sealing washers. Refer to Sealing Washer Replacement .

Notice: Refer to Fastener Notice in the Preface section.

3. Install the compressor hose nut to the condenser.

Tighten
Tighten the nut to 16 N·m (12 lb ft).

4. Connect the electrical connector to the A/C low pressure switch.



5. Install the compressor hose to the accumulator using new sealing washers. Refer to Sealing Washer Replacement .
6. Install the nut (1) to the accumulator.

Tighten
Tighten the nut to 16 N·m (12 lb ft).




7. Install the compressor hose (1) to the A/C compressor using new sealing washers. Refer to Sealing Washer Replacement .
8. Install the compressor hose nut.

Tighten
Tighten the nut to 16 N·m (12 lb ft).

9. Install the washer bottle. Refer to Windshield Washer Solvent Container Replacement in Wipers/Washer Systems.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
11. Leak test the fittings of the component using J 39400-A .