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adding pag oil to compressor 1995

posted by  joeS on  Wed Jul 16 14:47 CST 2008
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last visit: Sat Dec 22 14:25 CST 2012
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I recently replaced the compressor in my 95 940 along with the rec/drier and some hoses, evacuated the system and charged it up with 134a. While it was running ,the air got very cold but soon after I noticed that there was a substance leaking from the low pressure side connection to the compressor. By the time I got to it, it leaked at least 2 oz of pag oil. Can I replace the oil through the top or do I have to take the compressor out to put oil in it and how much do I put in it. I duplicated the spill with oil and it was between 2 and 3 ozs. Thank you for all and any suggestions! JoeS 92 240 175k, 87 240 180k, 95 940 82 k, 96 960 77









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    adding pag oil to compressor 1995

    posted by  checksix on  Sun Jul 20 16:44 CST 2008
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    last visit: Fri Aug 10 22:07 CST 2012
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    It's been several years since I had to work on AC systems, and they were the old R-12 systems. However they did have oil charge bottles that went in just as if you were charging the system. I'm guessing they have similar for the current set up with R-134. I used to mix a substitute for the old R-12 using a mix of Propane and iso-butane instead of the R-12. Works very well, and if you research altenative to R-12, you'll find this info. I perfered a mix of 75% propane and 25% iso-butane (by weight).

    Checksix







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