The very first air conditioning system available from the automotive factory was found in the 1940 Packard and was called the "weather conditioner," among other names. It utilized R12 and, while ...
Q: A few years ago, I had the factory air conditioning on my 1970 Oldsmobile converted from Freon R12 to R-134a. This summer, the air conditioner only blew warm air. Can I convert back to Freon or do ...