F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
1. Follow the removal procedure in reverse order.
^
Service the replacement 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. See: Refrigerant Oil Addition. See: Refrigerant
Oil/Service and Repair