Originally Posted By: Audi Junkie
My friend claimed RP PSF cured the leaking on his 99 Audi. He would just top it off, not a full flush, so I dunno. Anything would be better than the Pentosin, which looks good on paper, but is too thin when heated. I just use ATF+4 in everything and it works great. The Audi guys love it.
What sort of "everything" do you put ATF+4 in? Aren't the friction characteristics a little different with ATF+4?