I ended up trading it in, but...
I confirmed through the dealer and a mechanic friend that the issue was, in fact, a known issue with the flange where the manifold connects to the block. It was a hairline crack that would result in the ticking noise - the tick would decrease as the metal heated...
I'm in the market for 2016 SR5 Premium and am not sure about the Rigid running boards that I see on a lot of them. I've seen ones with a chrome/silver strip as well. Is there somewhere I can look at all the factory options for running boards?
So after living happily with my 4.7L V8 2006 4Runner for quite a few years, it is about to hit 100k. It also needs the following work - the following was quoted from Toyota Service.
(2) Exhaust Gaskets - $1100 (has the tick - but they see no crack)
Muffler - $900 (Tailpipe has separated from...