Where is the orifice tube located on a 1999 Nissan Quest?

The orifice tube on a 1999 Nissan Quest is located within the refrigerant line, specifically in the liquid line that runs between the condenser and the evaporator. To access it, you typically need to locate the liquid line near the front of the vehicle, often near the firewall. The tube is usually inserted into the line and may require some disassembly of components for proper access and replacement. Always refer to a repair manual for detailed instructions and safety precautions.