Originally Posted by Grubrunner
What exactly is the new AC refrigerant?
It's r1234yf. It replaces r134a, which is being phased out because the enviro-hippies don't like it. It breaks down much faster but with supposedly the same effectiveness. The downside is it's currently more expensive, but over time that will shift since it's the new standard. The controversy surrounding it is that it is apparently highly flammable in some applications, but word on the street is Chrysler has worked around this.