Where is the orifice tube located in a 1997 gmc sonoma?

In a 1997 GMC Sonoma, the orifice tube is located in the high-pressure line of the air conditioning system. To access it, you'll typically find it near the evaporator inlet, which is located in the engine compartment, just before the evaporator core. It may require some disassembly of components to reach. Always consult a repair manual for detailed guidance specific to your vehicle.