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, ...

One of the most common questions concerning A/C work is, “Why can’t refrigerant just be added to top off the system and make it cooler?” In order to answer this completely, a quick explanation on how ...

If your car’s air conditioner blew ice-cold air last year but barely cools now, chances are it lost some refrigerant over the winter. That happens in older vehicles when the aging seals contract and ...