I do think mine is somehow trans fluid related as it is a rather pungent smell. Not a hot/sweet smell like engine coolant. If yours smell like hot coolant, check the lines under the intake manifold. I did a timing belt job on a friend’s S6 once upon a time and when we were done […]

Mine just smells hot since i changed the thermostat back to the original temp. Am waiting to see if it goes away after awhile. If you find a sneaky drip, let us know where it is so we can look too.

Well, I thought I had found my boost leak on the hose leading into the moisture trap on the firewall but alas that wasn’t it. My car still whacks a big ‘ol virtual wall whenever I really give it the beans. I don’t think it is coil related since my are now almost all new. […]

I had a similar problem recently with my ’97 S6 that I traced to what was a pinhole leak on the underside of the intake hose (between the air intake and the inlet side of the turbocharger). That hose feel apart in my hands once removed! Replaced that and broke off a piece of the […]

I have something similar to this on the S8, and I have not yet found the source of the smell either.