Compressor HVAC: Service and Repair

REMOVAL

CAUTION: Vehicles that have an inoperative A/C compressor due to internal causes should have the refrigerant system cleaned to remove any debris or contaminants to prevent damage to the replacement A/C compressor.

NOTE: Regular flushing procedures will not remove this type of contamination from the system. The A/C system filtering procedure MUST be performed before a new A/C compressor can be installed.

NOTE: Whenever the A/C compressor is replaced, the suction accumulator/drier and the A/C evaporator core orifice must also be replaced.






1. Disconnect the battery ground cable.
2. Discharge and recover the refrigerant from the system. Discharging and Recovery
3. Remove the drive belt.
4. Raise and support the vehicle.











5. Remove the six bolts and the RH engine and transmission splash shield.





6. Disconnect the A/C clutch field coil electrical connector.





7. Remove the A/C manifold and tube bolt.

CAUTION: Plug all ports to prevent contamination from dirt or moisture.






8. Remove the four A/C compressor bolts and the A/C compressor.

INSTALLATION





1. Install the A/C compressor and the A/C compressor bolts.
2. Remove the plugs and install new O-rings lubricated with clean refrigerant oil on the manifold.





3. Position the A/C manifold and tube and install the manifold bolt.





4. Connect the A/C clutch field coil electrical connector.











5. Install the RH engine and transmission splash shield.
6. Lower the vehicle.
7. Install the drive belt.
8. Leak-test the A/C system.
9. Evacuate and charge the system.





10. Connect the battery ground cable.