If your car was built before 1994, then you need to have your refrigerant checked out by a licensed professional who knows how to dispose of or recycle Freon. However, even older cars can be easily retrofitted to use the newer, safer type of refrigerant called R-134a. But R-134a is expensive and a repeated refill of a leaky system is only a stop-gap measure and really doesn’t fix the problem. We have leak detection equipment to find the leaks. This often entails adding a dye to the refrigerant so the leaks can be detected with ultraviolet light.