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A/C Compressor cycles/Holds a charge but no cold air. 200 1993

uid 18083's pic
posted by  lucid on  Mon Jun 29 04:54 CST 2009
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last visit: Fri Oct 24 12:31 CST 2014
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"The compressor kicks on and off like I have read it is supposed to do. A few seconds on, a few seconds off."

What is the Low Side pressure when running? The compressor should cycle when Low side is between 23±1.5psi and 45±2psi.

The book says if the compressor cycling is within those pressure specs, "but at closer intervals than normal...system contains too little refrigerant. Top off with 450 grams..."

--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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New A/C Compressor cycles/Holds a charge but no cold air. [200][1993]
posted by  johnboy740  on Tue Jun 23 09:39 CST 2009 >


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