Escape 4WD V6-181 3.0L DOHC VIN 1 Duratec (2003)
Expansion Block/Orifice Tube: Description and Operation
A/C Evaporator Core Orifice
NOTE: Install a new A/C evaporator core orifice whenever a new A/C compressor is installed.
The A/C evaporator core orifice has the following characteristics:
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color-coded green
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an orifice diameter of 1.25 mm (0.052 inch)
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located in the condenser to evaporator line
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Changes the high-pressure liquid refrigerant into a low-pressure liquid.
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filter screens located on the inlet and outlet ends of the orifice body
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The inlet filter screen acts as a strainer for the liquid refrigerant flowing through the A/C evaporator core orifice.
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O-ring seals on the A/C evaporator core orifice prevent the high-pressure liquid refrigerant from bypassing the A/C evaporator core orifice.
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Adjustment or repair cannot be made to the A/C evaporator core orifice. A new A/C evaporator core orifice must be installed.
