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Re: AC Orifice Tube
Some ac systems had a POA Valve or "Expansion Valve". My 83 has the "Orifice" that goes into the liquid line prior to the "Evaporator" to meter the refrigerant. The "Dryer I refer to is a dryer/accumulator that is attached to the outside of the Evap Box. The Vintage Air systems have "Expansion Valves" in their systems & their dryer/accumulator is attached to the Condenser....
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1997 GMC Sierra Ext
1965 Mustang
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