Lower intake vac line?
I removed my intake last weekend due to a coolant leak and finally got around to reinstalling it today. As Im twisted inside the engine compartment getting all the bolts in, I notice what looks like a vacuum port molded into the side of the lower intake manifold 3/4 the way back on the drivers side. I dont recall removing a vac line there, but it was a week ago when I removed it, and now Im paranoid there's a vac line floating around behind the motor that I just cant see.
It's a '99 5.4 with aluminum upper, and plastic lower. Does anyone know for sure if thats a vac line down there, or just a nub molded into the plastic?
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