Am getting ready to service an R-134 system. I have previously worked on R-12 systems and still have gauges and hoses ... my understanding is the R134 has different size fittings and hence the hoses must have these, too.

I saw converter fittings that allow the use of R-12 hoses and gauges ... is this an OK solution for occasional use? They were about $13 apiece (low and high) ... how about the cans of R134 ... they look like they require a different connector ..

Any advice of help would be appreciated!

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George Stephenson
1991 350 SDL (200K and she ain't bent, yet)
former 2002 E320 4Matic Wagon - good car
former 1985 300 CD - great car
former 1981 300 TD - good car
former 1972 280 SEL - not so good car
a couple of those diesel Rabbits ...40-45 mpg