Cadillac Forum - Enthusiast forums for Cadillac Owners - AC Low Pressure Port/ 1991 Seville

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cadillacsmith

07-09-2009 12:05 PM

AC Low Pressure Port/ 1991 Seville

I bought a little refridgerent kit for my AC, when I hooked the gauge up to the low pressure port the reading was in the "warning zone" according to the gauge at a little over 100 psi. How is this possible when the car dash says the refridgerent is low?

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