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a/c not working S70

posted by  TomL on  Sun Apr 16 15:44 CST 2006
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last visit: Sun Jul 25 18:24 CST 2010
[RELATED]

It is located on the end of the compressor. There are some pictures posted somewhere but I cannot locate them. The power wire goes to the thermostat then to a thermistor then to the clutch. There are connectors on the thermostat wires but I think they are different sizes. You can get matching crimp-on terminals to do the jpb. Here is the wiring sequence.
(Power)-----> >----(Termostat)-----> >------(Thermistor)------(Clutch)----(Gnd)
Just connect the power directly to the thermistor wire.

This is the fix that most Volvo dealers will do for this problem. Some will replace the compressor (unnecessarily) which comes without the thermostat on them.
Good luck.
I can send you a picture of a cpmpressor if you need one.
--
Tom 69-1800S, 72-1800ES, 96-850T,2000-S70 GLT-SE






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