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Checking the refrigerent levels? 850 1995

posted by  KlausC on  Thu Jun 24 08:37 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
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I have yet to drive a European car of any make that had an AC system that can handle 90F+ with dew points above 70F (hot & humid).

None of the gauges you buy over the counter are very acccurate. The big box stores used to have stand alone gauges, but I think they went to the garbage gauge on the can - which is useless.

A pressure gauge should show 17psi low to 45 psi high, with the compressor clutch engaged.

The real problem with Volvo, et al, is the air flow through the condenser is limited. With high heat & humidity, you do want to close the center dash fresh air vent. If you have ECC, it should activate the recirc damper. If you have MCC, use the recirc for the first 10 minutes.

Klaus
--
Why are Volvos so endearing? Its just a car.






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New Checking the refrigerent levels? [850][1995]
posted by  Mr. Detail  on Thu Jun 24 02:36 CST 2010 >


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