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Re: Audi 5000 a/c

>Thanks, I think you have made some very good points but I have one point on
>which I am not entirely certain.  Shouldn't measuring the pressures provide
>a good indication of how much charge you have?  If both the hi and low 
>pressures are low, don't you think its ok to add more freon?  I agree that
>adding more just because the air isn't sufficiently cool is a bad idea.

The pressure guages are a good indication of charge, but a "weak" or clogged
compressor will cause both low high-pressure, and slightly elevated
low-pressure.   Pressure is also temperature dependent, so be careful.   The
only "real" way to know is flushez-vous.

good luck,