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Aporte original por: oldturkey03 ,


dennis foley, I assume :) that we are talking about the AC. The orrifice tube goes inside the evaporator at the end of the high pressure line. This is what allows the compressed liquid freon to expand into a gas, absorbing heat. Check on the line coming from the condenser going to the passenger side of the car towards the HVAC unit of your Caprice. The second line from the condenser will be going to the AC compressor. On the one going to the HVAC unit you should find a fitting with two large nuts, open it and on the condenser side is the orifice tube.