F 450 4WD Super Duty V10-6.8L VIN D (2004)
Expansion Block/Orifice Tube: Service and Repair
Main Climate Control
EVAPORATOR CORE ORIFICE
Special Tool(s)
SPECIAL TOOL(S)
REMOVAL
CAUTION: Refrigerant Compressor Oil (mineral oil) F73Z-19577-AA (Motorcraft YN-9-A) should be used to lubricate R-134a refrigerant
system O-ring seals only and should not be added to R-134a refrigerant systems as an A/C compressor lubricant. PAG Refrigerant Compressor
Oil (R-134a Systems) 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. Remove the condenser to evaporator tube.
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For a fixed orifice tube, carry out Steps 2 and 3.
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For a broken orifice tube, carry out Steps 4 and 5.
2. Engage the special tool to the A/C evaporator core orifice.
3. Hold the tool T-handle stationary and rotate the tool body to remove the A/C evaporator core orifice.
