Quote:
Originally Posted by ray m
WHAT NEEDS TO BE CHANDED OUT WHEN GOING FROM 134 TO FREEZE 12 ON A 1980 300D. i,VE CHANGED THE COMPRESSOR , DRYER AND EXPANSION VALVE. DO I NEED TO CHANGE OUT THE HIGH OR LOW SIDE FILL VALVE, OR ANYTHING ELSE.
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Nothing. I used r134 valve adapters. F12 is MOSTLY r134. It also contains CFCs and is refulated by the EPA just as R12. Epa issued notices in last few months and it will be harder to come by.