Where is the ac orifice tube located on a 2002 Chevy express 3500 van?

The AC orifice tube on a 2002 Chevy Express 3500 van is located in the high-pressure line between the condenser and the evaporator. To access it, you'll need to locate the aluminum line that runs from the condenser at the front of the vehicle to the evaporator inside the dashboard. The orifice tube is typically found within this line, often near the area where it connects to the evaporator.