Freon high and low Pressures? Compressor dying? - Saab 9-5 Bulletin Board - Saabnet.com
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Freon high and low Pressures? Compressor dying?
Posted by JayK [Email] (more from JayK) on Thu, 25 Jun 2009 12:21:35
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Car is a 2002 9-5 Aero Automatic
Can someone advise me on what the high side and low side pressures should be for the Air Conditioning System. I have a gauge set and am going to measure today, but don't know the pressures for this system.
Reason I am measuring is the compressor seems to be heading towards ceasing. I hear sounds like the belt is slipping (short trumpet blast or shuddering creak) and the engine stalled completely a couple of times when the A/C was on Auto. Also the A/C compressor pulley ridges and troughs look shiny - like it is wet, but it is not wet. I am guessing it is just shiny from being polished by belt slippage. On the other hand, the system is cooling, if not strongly, and there is condensation on the return line and the clutch is constantly engaged when ACC is in auto, and it releases when turned to Econ or Off.
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