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air cond overpressure. S90-V90 1997

I own a 97 S90. A/C condenser fan not working. Fan comes in for engine cooling ( high speed ) but not for a/c. I replaced fan relay to no avail. I understand there is a pressure or temp switch located on botom rt. front of condenser. Could this be the culprit?. If so how do I check & replace it.
Thanks
kilo








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air cond overpressure. S90-V90 1997

Kilo,

My feeling is that if the system is low on refrigerant, neither the compressor nor the A/C fan etc will come on. I am not sure why you title your Question "a/c Overpressure"; did over overcharge it with R134a? Just trying to understand what is really the symptom? Does the AC cool at all, and all you're concerned about is the fan not coming on? I believe on two-speed fan systems, there is a high speed fan realy , and a low speed fan realy. Which relay did you replace?

Azeez.

'96 960 Sedan, 96,000 miles.







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