This is just a repost of an earlier thread about my sludged Passat & Auto-Rx. Very briefly my wife's Passat with 68,000 miles totally sludged. This is a real problem with these cars. Per mechanic my pressure was 0 at idle and 15psi at 70mph on new synthetic. I very carefully drove the car home & started some research when I came across this website. VW wanted $9,000 for an engine replacement.
I started the ARX and drove very carefully. The oil light came on sporadically. By the rinse phase, the light never came on. After rinse phase I changed to synthetic and back to the mechanic for a pressure test. He couldn't believe it. 15psi at idle and 45 psi at 60 mph (2000 rpm). He said it was factory specs. Problem fixed. I ended up trading in the car (not a VW) shortly after.
I repost this just because ARX fixed an engine that was within a few miles of meltdown. If this didn't prove ARX's worth I don't know what would.
I still have a few bottles around that I will use on other cars. E-mail me with any questions. In summary ARX saved me $9,000 and I am indebted to ARX and whom ever developed it...a Big $9,000 thanks.
Fred
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