Evaporator Core: Service and Repair
REMOVALNOTE:
- 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.
- 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. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Perform the Refrigerant Discharging and Recovery Procedure.
3. Remove the A/C evaporator core housing.
4. Remove the six screws.
5. Carefully cut the seal in two places and separate the two halves of the evaporator housing.
6. Disconnect the suction accumulator/drier from the evaporator core outlet tube.
CAUTION: To prevent damage to the fitting and tube, always use a backup wrench when removing the suction accumulator/drier.
7. Remove the screws and remove the suction accumulator/drier.
8. Remove the A/C evaporator core.
INSTALLATION
1. To install, reverse the removal procedure.
- Service the new A/C evaporator core with the correct amount of PAG compressor oil YN-12-C F7AZ-19589-DA or equivalent meeting Ford specification WSH-M1C231-B. See Refrigerant Oil Addition.
- Lubricate the O-ring seal with PAG compressor oil YN-12-C F7AZ-19589-DA or equivalent meeting Ford specification WSH-M1C231-B.