Originally Posted By: ekpolk
Before everyone latches onto this as evidence of a sludge attach, I've got an old counter-picture from back in 2003, shortly after I got my 2003.5 V-6 Camry. I got into it (who'd have thought that...) over on ToyotaNation with a tech who insisted my engine was sludged. With like a couple thousand miles on it. Anyway, one of the truly dumbest things Toyota ever did was put a foamy black coating on the oil fill baffle of the 1MZ v-6. I suspect it's for sound absorption, but I don't know that for sure. Anyway, here's what that same 1MZ filler looks like, near-new.
Yes, but look at the aluminum walls around it... varnished.