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AC compressor & flashing lights 850 1994

posted by  KlausC on  Sun Jun 13 13:40 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Stop by an autoparts store and get a real gauge, meant for AC. The ones that come with the can are worthless. A good gauge will have psi increments every 2 psi. Just make sure the compressor is engaged when testing. It is supposed to fluctuate from 17-40 psi.

When the line closest to the driver starts to get cold and sweat, you have plenty of r132a in the system. It sounds like you are about 1/2 can shy of max.

Never hold the can upside down when filling. The bottom of the can has PAG oil and most systems have plenty. Too much oil will fill the accumulator bottle and decrease the amount of gas in the system.

Klaus
--
Why are Volvos so endearing? Its just a car.






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