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 ...

In this video, learn how to refill your car or truck’s A/C system with refrigerant, specifically R134a, the most common refrigerant. This guide covers the procedure for topping off your system, ...

Automakers are shifting into high gear in equipping their new models with a new ozone-safe air-conditioning system. At least 40 vehicles on the market – cars, trucks and minivans – have the new system ...