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Re: Retrofitting from R-12 to R-134a
Posted to HVAC Forum on 3/17/1999

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I use only AC DELCO parts on GM cars,and FOMOCO on FORDS,and so on.

AC DELCO says PAG ONLY or warranty is void. I have told my parts

man SO WHAT I USE ESTER OIL. If I one to fail I will eat it.

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