Thread: I converted my A/C from R12 to R134a for $40
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Old 05-12-2002, 05:05 PM
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billrok billrok is offline
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Greg, I just converted to 134A also in my 300SD. As I understand it, there are no immicsibility oil problems with the conversion if POE oil is used. Now PAG is another story and I would never convert a R12 car to 134A with the use of PAG. The conversion kits from Pep Boys use a can of POE with refrigerant for the conversion. I too would recommend a deep vacuum for some time to eliminate moisture and all R12 but my buddy has converted over 60 cars so far with nary an inch of Mercury vacuum on any of them! The POE will become the dominate lubricant and the old mineral oil will just sit in all the low spots like reciever dryer, condenser and so forth. Kinda funny: The R12/134A thread is getting to be just like the ole Synthetic vs. dino oil thread......
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