hello everybody,, just join in; my "oldie" 2000 ml 430 blw the head gasket & got it back together now except for 1 vac hose ( about 1/2 ") coming out of the 3", 90 degree rigid hose attach to the throttle housing. can you guys help me out where that hose connection is , please ?
L.O.Ts

 

I can't remember exactly off the top of my head, but I think it connects to a hard plastic line tha runs to the air injection switch over valve on the front of the engine.