Okay..I'm getting some transmission oil leaking when I am at high revs. Not all the time..but just on occasion. How would I trouble shoot this?

I don't want to have to pay hundreds to get the dealer to take the transmission out and to seal it.
ANyone have recommendations?

 

Hey, when you say hi-revs, is that city or highway driving?

I would suggest putting car on a lift, and seeing if you can source the leakage, then clean it up. Drive it some more and look for a source by lifting again. If lift is not available, you can use ramps.

Secondly, I would recommend getting a heavy duty tranny cooler...

 

I had noticeable wetness coming from where the tranny casing met the block. I had the rear main seal replaced while doing the clutch on my car and the casing is now free from any signs of leakage.