Johnny, are you sure Chrysler has given its blessing to this fluid? From my understanding, Chrysler has not approved any aftermarket service fill ATF+4 fluids. In fact, oil makers are complaining because Chrysler, with ATF+4, has taken the unprecedented step of not just specifying the performance criteria and the additive package components, but also the exact base oil blend that must be used. See this article.quote:
Originally posted by Johnny:
I don't know, I'm not a chemist. But our chemist say it does, and Ford, GM, and Chrysler have tested it, and they say it does. That's all I know. It is certified by each of the mfg.