Mustang V6-3.9L VIN 6 (2004)
Expansion Block/Orifice Tube: Description and Operation
EVAPORATOR CORE ORIFICE
Evaporator Core Orifice
NOTE:
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The evaporator core orifice is an integral part of the condenser to evaporator line and should be installed as an assembly with the line.
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A new evaporator core orifice should be installed whenever a new A/C compressor is installed.
The evaporator core orifice has the following characteristics:
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It is located in the A/C condenser to evaporator line.
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It has filter screens located on the inlet and outlet ends of the tube body.
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The inlet filter screen acts as a strainer for the liquid refrigerant flowing through the evaporator core orifice.
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O-ring seals on the evaporator core orifice prevent the high-pressure liquid refrigerant from bypassing the evaporator core orifice.
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Adjustment or repair cannot be made to the evaporator core orifice assembly. A new evaporator core orifice must be installed as a unit.
