Compressor HVAC: Service and Repair
REMOVALCAUTION: When replacing an A/C compressor which has failed internally, perform the following procedures to prevent contamination of the refrigerant system.
^ If A/C Flusher is available, carry out the Flushing procedure.
^ If A/C Flusher is not available, carry out the Refrigerant System Filtering after A/C Component Replacement procedure.
^ Install a new A/C evaporator core orifice. For additional information, refer to Evaporator Case.
NOTE: Installation of a new suction accumulator/drier is not required when repairing the air conditioning system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the suction accumulator/drier.
1. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Perform the Discharging and Recovery Procedure. Refrigerant Discharging and Recovery procedure
3. Position the drive belt aside. For additional information, refer to Drive belts, Mounts, Brackets and Accessories.
4. Raise and support the vehicle. For additional information, refer to Maintenance/Service and Repair.
5. Disconnect the A/C compressor electrical connector.
6. Disconnect the crankshaft position sensor connector.
7. Loosen the A/C compressor mounting bolts and move to gain access to the A/C manifold bolt.
8. Remove the manifold and tube assembly.
1 Remove the bolt.
2 Remove the manifold and tube assembly.
9. Remove the A/C compressor.
1 Remove the bolts.
2 Remove the A/C compressor.
INSTALLATION
1. Follow the removal procedure in reverse order.
^ Service the replacement A/C compressor with the proper amount of PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.
Refrigerant Oil Addition
^ Lubricate the new A/C manifold O-rings with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.
NOTE: When installing the A/C compressor,leave the bolts loose until the A/C manifold bolt is tightened.