Compressor HVAC: Service and Repair

Compressor Replacement


REMOVAL PROCEDURE

TOOLS REQUIRED
J 39500-B A/C Refrigerant Recovery, Recycling and Recharging System




1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Disconnect the Battery. Refer to Battery Negative Cable Disconnect/Connect Procedure.
3. Remove the front air deflector.
4. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle in Service Precautions.
5. Remove the right front tire.
6. Remove the right wheelhouse extension.
7. Disconnect the brake line retaining clip from frame.
8. Disconnect the suction hose fitting from the compressor.




9. Disconnect the discharge hose fitting from the compressor.




10. Disconnect the compressor electrical connector.




11. Remove the compressor mounting bolts.
12. Remove the A/C Compressor mounting stud.
13. Rotate the compressor, so that the compressor may exit through the wheelhouse extension opening.
14. Remove the compressor.

INSTALLATION PROCEDURE

TOOLS REQUIRED
J 39400-A Electronic Halogen Leak Detector




1. Install the compressor through the wheelhouse extension.
2. Install mounting stud.
3. Install the remaining mounting fasteners.

NOTE: Refer to Fastener Notice in Service Precautions.

4. Install the compressor mounting bolts.

Tighten
Tighten the compressor mounting bolts to 25 N.m (18 lb ft).




5. Connect the compressor electrical connector.




6. Connect the discharge hose fitting to compressor.

Tighten
Tighten the discharge hose fitting to the compressor to 20 N.m (15 lb ft).




7. Connect the suction hose fitting to the compressor

Tighten
Tighten the suction hose filling to the compressor to 20 N.m (15 lb ft).

8. Connect the brake line retaining clip to the frame.
9. Install right front tire.
10. Lower the vehicle.
11. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
12. Leak test the A/C system. Refer to Leak Testing
13. Install the wheelhouse extension.
14. Install the front air deflector.