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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Manual A/C-Heater Systems) >> Operation >> Fixed Orifice Tube

Fixed Orifice Tube

WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

Fixed orifice tube provides a restriction between high and low pressure liquid refrigerant. Orifice tube meters liquid refrigerant flow to evaporator core. Orifice tube is located in condenser-to-evaporator line. Orifice tube inlet and outlet ports have filter screens. On vehicles on equipped with auxiliary climate control system fixed orifice tube is Orange in color and has a diameter of 0.057" (1.45 mm). On vehicles equipped with auxiliary climate control fixed orifice tube is Blue in color and has a diameter of 0.067" (1.70 mm).