Posted by jim on 6/29/2009, 9:14 pm, in reply to "How to Tell if the Previous Owner Switched to R-134?"
98.219.141.142
It will have the larger diameter adapters installed onto the R12 service ports.
R134 fittings have internal fitting threads.....R12 have external threads.
Now the question is- did they do the conversion properly or just change the fittings and add 134?
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