Where is the location of the orifice tube on 1997 gmc suburban?

The orifice tube on a 1997 GMC Suburban is located in the high-pressure line of the air conditioning system, specifically inside the liquid line. To access it, you typically need to locate the liquid line running from the condenser to the evaporator, and the orifice tube is usually situated near the evaporator inlet. It may require some disassembly of components to reach it properly for replacement or inspection.