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Need help with my A/C pressure readings 850

posted by  pgao on  Mon Aug 15 12:50 CST 2005
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last visit: Fri Dec 27 08:18 CST 2013
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Hi, all,

Last week, it was very hot here in New York city and I noticed my A/C did not produce cool air and the compressor clutch would kick in every 2 seconds. Yesterday, I got a recharge kit from the Autozone. After connected the gauge to low pressure end, the pressure was in the red zone when AC was off (at least 70, don't remember the exact number) and the pressure was below 20 when AC was on. After I put in about a can (12 oz) of Freon (134a), AC has worked great since. No more every 2 seconds cycling. Today, the pressure readings were 80 (Off) and 40 (on) with outside temp around 80F. I am very confused with the numbers showing in many postings. Can someone kindly help me out here? Thank you very much. My car is 95 850 non turbo.

Best,

P.





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