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Trouble charging AC with R-134 ( IT TAKES A VILLAGE TO RAISE A VOLVO)

posted by  jdl on  Fri Jun 28 02:43 CST 2002
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last visit: Mon Feb 6 11:55 CST 2012
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I just installed a Volvo R-134 retrofit kit in my 1991 240. All went well thanks to this board and Volvo service bulletin. I blew out high and low pressure hoses and lines, evaperator and condenser. I dumped the old oil and added ester oil to compressor. I added 11oz. can R-134 and low-side pressure was 25psi. I added another 11oz. and low-side pressure was 65psi at idle. The reading fluctuates according to engine speed. At high idle it was 25psi. The directions warn 65psi is dangerously high. I'm not getting much cold air yet and Volvo says my target fill is 2.2lbs R-134.

Should I ignore the low-side psi and continue to add R-134, or is something wrong? I have no way to check high-side pressure. Thank you in advance. JDL
P.S. Each 11oz. can took about 30 min. to empty. I thought the system just sucked it up.????






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