what type freon does my air conditioner use? on 1992 Chevrolet S10 Blazer

i have a vortec engine

by in Palmyra, VA on July 19, 2013
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1 answer
ANSWER by , July 19, 2013
SHOULD R12 THAT YR ,BUT ARE THE FITTING 3/8" IN DIA OR LARGER. THE FITTINGS WILL ONLY ALLOW ONE SET OF GAUGES TO BE HOOKED UP.EITHER R12 OR R134 GAUGES