The hose that goes from the right hand valve cover up to the back of the throttle body, to the top left most port, how should it fit on? i was getting a wizzy noise from it (vac leak) so i unscrewed a hose clamp that was on it, and tried to pull it off... well, the hose is clamped onto another smaller hose, which is jammed in the hole. then i noticed the hole has threading on the inside. im assuming its SUPPOSED to be a thread in piece, that some previous owner just got to lazy to fix? or is it supposed to be like that? its near impossible to get the inner hose back in because of the threading unless you squeeze it with needle nose and push it in... but in any case, i doubt its correct.