Interesting comment, as the autofrost 409 website has the text: "EPA approved for all cars", and an article from the "North American Council of Automotive Teachers" about using 409 in cars. Who were you referring to that has "not approved" it? Todd Chas Hoakanson wrote: > I am no AC guru, but with all this talk about 409, I figured I should pipe > up. First, 409 is not approved for mobile systems. It was designed for > home, stationary systems (which is why it is sold only in 30lb cans). > Therefore, it cannot legally be used in your vanagon. Also, it is a blend > contianing something like 60% R22 . As a result you will see extremely high > head pressures using this stuff, especially at high ambient temp. I realize > people have used it, and I am really not saying not to or that it won't work, > I am just trying to point out that it is not the holy grail of R12 > replacement and if you want to play with your AC, you should do the research > and be comfortable with what you are doing. An AC system is one of the few > system on a vanagon, that can acutally hurt you. My. .02 Charlie.. |
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