Compressor HVAC: Service and Repair

COMPRESSOR REPLACEMENT

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Disconnect the negative battery cable.
3. Remove the accessory drive belt.
4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
5. Remove the right front tire.
6. Remove the front air deflector.
7. Remove the right fascia extension.
8. Disconnect the brake line retaining clips from the engine frame in order to allow the brake lines to move during removal of the A/C compressor.

IMPORTANT: Seal the A/C compressor suction and discharge ports after the hoses are removed in order to keep contaminants from entering the A/C compressor and oil from draining out of the A/C compressor during removal.

9. Remove the nut (2) from the discharge hose (3) and disconnect the discharge hose (3) from the A/C compressor.




10. Remove the nut (2) from the suction hose (1) and disconnect the suction hose filling (1) from the A/C compressor.




11. Disconnect the A/C compressor electrical connector.




12. Remove the A/C compressor mounting fasteners (1, 2, 3, 4).




13. Remove the A/C compressor (2) mounting stud (1).




14. Rotate the A/C compressor in order to allow the A/C compressor to exit through the wheelhouse opening.
15. Remove the A/C compressor from the vehicle.

INSTALLATION PROCEDURE




1. Install the A/C compressor through the wheelhouse opening.




2. Position the A/C compressor (2) on the mounting surface.
3. Install the A/C compressor mounting stud (1) through the appropriate compressor mounting boss.




4. Install the A/C compressor mounting fasteners (1, 2, 3, 4) and hand tighten the fasteners.

NOTE: Refer to Fastener Notice in Service Precautions.

5. Tighten the fasteners in the following sequence:

Tighten
5.1. Tighten the A/C compressor mounting stud nut (1) to 50 N.m (37 lb ft).
5.2. Tighten the upper rear A/C compressor mounting bolt (3) to 50 N.m (37 lb ft).
5.3. Tighten the front A/C compressor mounting bolt (2) to 50 N.m (37 lb ft).
5.4. Tighten the last lower rear A/C compressor mounting bolt (4) to 25 N.m (18 lb ft).

IMPORTANT: Inspect the seal washers for damage before reinstalling the A/C lines.

If any damage is noted during inspection, the suspect seal must be replaced.
Flat washer type seals do not require lubrication.




6. Connect the A/C compressor electrical connector.




7. Connect the suction hose (1) to the A/C compressor.
8. Install the suction Nut (2) to the A/C compressor.

Tighten
Tighten the suction hose nut (2) to 16 N.m (12 lb ft).




9. Connect the discharge hose (3) to compressor.
10. Install the discharge hose nut (2).

Tighten
Tighten the discharge hose nut (2) to 16 N.m (12 lb ft).

11. Reconnect the brake line retaining clips to the frame.
12. Install the accessory drive belt.
13. Install the fascia extension.
14. Install the front air deflector.
15. Reinstall the right front tire.
16. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
17. Connect the negative battery cable.
18. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
19. Leak test the fillings component using J 39400.