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 ...

The typical '86-'93 Mustang R-12 A/C system sees dash-vent temperatures in the 40- to 42-degree range on fan speed one. However, when a basic R134a conversion is done (a simple change of refrigerant ...

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 ...

HFC-134a is the alternative refrigerant of choice to replace CFC-12 in many medium- and high-temperature stationary refrigeration and air conditioning applications. It has also replaced R-12 in ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Over time, a car's air conditioning system will begin be less and less effective, ...