A/C Orifice Tube: Description
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
The fixed A/C orifice tube ( Fig 1 ) is installed in the liquid line between the outlet of the condenser and the inlet of the evaporator. The A/C orifice tube is only serviced as part of the liquid line.