whiterx7TII

I have a little oil around the BOV adapter pipe for my aftermarket bov . My 2cents tells me that it is coming from the turbo..I would just like to make sure that this is the only place it could be coming from. Also, i assume this is the turbo too. After letting off the throttle when cruising any where from 0-40(after that it is just too loud to hear), i hear a metallic grinding noise coming from what sounds like the turbo. Has anyone had this problem before..I mean, i Figured my turbo was on its way out because it doesnt make boost with my controller like it used to, but i just want to make sure that it is the turbo, and not something else being overlooked

Also, I have a constant oil leak coming from where the tranny meets the engine block. I figured it was the rear main seal, so i replaced it and no luck. Still leaking..is it possible that it could be seeping out from the rear of the oil pan. If not what else could it be