Re: 1993 9000cs air conditioner compressor clutch power - Saab 9000 Bulletin Board - Saabnet.com
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Re: 1993 9000cs air conditioner compressor clutch power
Posted by BobS (more from BobS) on Sat, 19 Apr 2008 21:43:55
In Reply to: 1993 9000cs air conditioner compressor clutch power, Erik, Sat, 19 Apr 2008 09:12:21
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3 cans of Freon sounds like a bit much. A high side gauge will indicate over charge.
The switch on the top of the compressor is most likely an over temp switch. I do not recall if that switch grounds or goes open with excessive temp.
The clutch is primarily controled by the evap anti-icing switch. Other switches, usually on the drier, prevent compressor operation with low charge, and high temperature or pressure.
Start by checking the evap swt power and operation. Follow from there to the other switches.
posted by 71.38.1...
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