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A/C only works on cool morning 850 1994

posted by  KlausC on  Tue Sep 23 05:28 CST 2008
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

I just did a search on "pressostat", the low pressure switch:

"I just replaced the low pressure switch (Volvo calls it a pressostat) on my 97 850. It takes less than 5 min. The line where the swith mounts has a built in schrader valve so when you unscrew the switch, the valve closes automatically & you will not lose any freon. Screw the new one on, reconnect the electrical plug & you are ready to go."

The pressostat is around $50 at the dealer, but most AC shops should carry the same item.

To verify the problem is the pressostat, unplug the wires going to it and using a wire or paperclip, connect it to the + and - side of the plug. The compressor should start up and give you cold air.

Klaus


--
Just driving a 1998 V70R :)






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New A/C only works on cool morning [850][1994]
posted by  dubs960  on Thu Sep 4 20:02 CST 2008 >


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