E 250 V8-4.6L SOHC VIN W (2004)
Expansion Valve: Service and Repair
THERMOSTATIC EXPANSION VALVE
REMOVAL
1. 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.
Remove the A/C evaporator core.
2. NOTE: Care must be taken not to damage the capillary bulb or tube.
Separate the capillary bulb from the outer evaporator outlet tube.
1
Remove the A/C insulating tape and save for reuse.
2
Remove the clip securing the capillary bulb to the tube.
3. Remove the thermostatic expansion valve (TXV).
1
CAUTION: Use a wrench on each side of the fitting to prevent damage to the A/C fitting.
Disconnect the refrigerant lines.
2
Remove the TXV.
INSTALLATION
1. To install, reverse the removal procedure.
-
Install new O-ring seals lubricated in clean mineral oil.
