Hello all. I'm installing a re-manufactured engine into my wife's 05 5.7 WK. It's been a slow process... Consequently I've forgotten what goes in one of the holes in the block.
I have a tube that seems to fit. I'm not sure if it's the correct piece, and if it is, what it attached too. Could you all take a look at the picture, and help me out? It's the hole in the back of the block. I stuck the tube in for some of the pictures: