E 250 V8-5.4L SOHC VIN L (2004)
Heater Core Case: Service and Repair
Air Conditioning and Heater Assembly
AIR CONDITIONING AND HEATER ASSEMBLY
REMOVAL
CAUTION: Refrigerant Compressor Oil (Mineral Oil) F73Z-19577-AA (Motorcraft YN-9-A) should be used to lubricate R-134a refrigerant
system O-rings seals only and should not be added to R-134a refrigerant systems as an A/C compressor lubricant. PAG Refrigerant
Compressor Oil F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B only should be used as an
A/C compressor lubricant.
1. Recover the refrigerant.
2. Drain the engine cooling system.
3. Disconnect the heater hoses.
4. Disconnect the refrigerant line spring lock couplings.
-
Discard the O-ring seals.
5. If equipped, remove the LH quarter trim panel.
6. Remove the auxiliary plenum chamber.
1
Remove the screw.
2
Remove the auxiliary plenum chamber.
