Housing Assembly HVAC: Service and Repair

REMOVAL

NOTE:
^ Replacement of the suction accumulator 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.
^ If an A/C evaporator core leak is suspected, the A/C evaporator core must be leak tested before it is removed from the vehicle.
1. Perform the Refrigerant Discharging and Recovery Procedure. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant Discharging and Recovery Procedure, Refrigerant Discharging and Recovery procedure

2. Drain the radiator.

3. Remove the instrument panel. Refer to: Body and Frame, Interior Trim, Dashboard/Instrument Panel, Service and Repair, Removal and Installation, Removal and Installation







4. Remove the junction block splash shield.







5. Disconnect the cable ends.







6. Remove the junction block bracket.
1 Disengage the connector.
2 Remove the screws.
3 Remove the junction block bracket.







7. Disconnect the heater core hose couplings.







8. Disconnect the refrigerant line spring lock couplings from the A/C evaporator core.







9. Remove the RH A/C plenum demister adapter.
1 Remove the screw.
2 Remove the RH A/C plenum demister adapter.







10. Remove the heater core outlet bracket.
1 Remove the screws.
2 Remove the bracket.







11. Remove the plenum assembly top.
1 Remove the 14 screws.
2 Remove the plenum assembly top.







12. Remove the A/C evaporator core from the plenum assembly.

INSTALLATION












1. To install, reverse the removal procedure.
^ Service the new A/C evaporator core with the correct amount of PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C), or equivalent, meeting Ford specification WSH-M1C231-B.
2. Perform Evacuation and Charging Procedure. Refer to: Heating and Air Conditioning, Service and Repair, Evacuation and Charging Procedure, Evacuation and Charging Procedure