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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (HVAC Systems (Service Information)) >> HVAC >> Plumbing >> Tube-A/C Orifice >> Operation >> A/C Orifice Tube

A/C Orifice Tube

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The fixed A/C orifice tube is used to meter the flow of liquid refrigerant into the A/C evaporator. The high-pressure liquid refrigerant from the A/C condenser expands into a low-pressure liquid as it passes through the metering orifice and diffuser screen of the A/C orifice tube.

The A/C orifice tube is not serviceable and the A/C liquid line must be replaced if the orifice tube is found inoperative. See DESCRIPTION .