Where is the orifice tube located on your 1997 gmc Yukon?

The orifice tube on a 1997 GMC Yukon is located in the A/C system, specifically within the liquid line that connects the condenser to the evaporator. To access it, you typically need to follow the line from the condenser, which is mounted in front of the radiator, towards the firewall where the evaporator is located. The orifice tube is usually found near the connection point on the evaporator. It’s advisable to consult a repair manual for specific details and diagrams for your vehicle.