HobbeZ

I'm not sure what it is called but it's located beneath the oil pressure sender. it's like a tube that goes over another turbo, i'm pretty sure coolant goes throught it. it's located at the back of the enigne

GreyGT-C

big rubber hose right?... that's your heater hose. It has 2 tabs on it that have to be depressed to make it come apart. I normally just break the ****** and hose clamp the coolant hose directly to the nipple after that.