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Posted by jay massy [75.48.31.120] on Wednesday, July 07, 2010 at 15:22:15 :
In Reply to: charging a/c sys posted by mike [96.232.78.210] on Wednesday, July 07, 2010 at 06:38:33 :
unless you are changing a compressor due to a major falure, I would use a "blend", such as freeze 12, or the like. No need to change oil ar o rings, it works very well.