Was converted to 134a last year using the conversion kit from Van-cafe.
Should'a worked - didn't. Nobody could say why. Last year, the entire
system was gone completely through with all new hardware, seals, flush,
then servicing. The two gauge system used by the pro's hooked on just
fine to the new fittings. Why the AC Pro servicing kit would not - no
answer.

John

On 7/8/2012 8:05 PM, Dave Mcneely wrote:
> If your vehicle has not been converted, it is R12.