Hi everyone, new to the triangle engine. Bought a '04 with the engine out of it, but new rebuild. I have the engine in, hooked up, fluids in, it starts, but only runs for a couple seconds. I found this open nozzle above header on passenger side. What is it? How do I hook it up/where does it go to? Thanks


Top nozzle, above header bolt

 

Edit: Looked at the picture on my laptop instead of my phone

It is the Jet Air nipple. It connects to the accordion hose on one of the 3 connections..or on one of the 3 nipples of an aftermarket intake

It won't be a problem as it is just an air bleed anyway..you could leave it open like it is...although you don't really want dirty air to go in there. It isn't a bigger vac leak than usual without a hose though

 

That is the jet air hose port. It should be hooked up to the intake. That is a huge vacuum leak and likely why your car is stalling.

 

so far, it's 50/50 whether I need it? Lol. About average for Internet advice so if it does go to intake, I have an aem intake. Or where you referring to intake manifold?

 

It needs to go there, but if you want to cap it off and deal with the routing later, you can.

 

Awesome! So I do need it. That would explain one of the 2 open ports on my aem intake. Still have one more to figure where it hooks up..

 

No technically you don't, but it should be capped off if you don't connect to the intake. It serves to inject air to prevent fuel pooling in the intake ports.

The diagram posted shows where all of those ports should hook up.

 

 

Thank you everyone, I think I got it now. I have seen the vacuum diagrams before, but found it hard to follow without knowing the name of the nozzle. The color coding helped too, thanks!

 

If you've got other open nipples on the intake (as in your picture), you'll want to cap them. Everything after the MAF needs to be capped or properly routed, otherwise it throws off the airflow measurement.

 

I would like to hookup all the lines the way they are intended. I know the vfad was deleted because that is capped, but the other vacuum lines in the diagrams I am going to have to check. I'm pretty sure I only have the oil filler line hooked up right now.

 

Yeah make sure the oil injectors are hooked up properly. Be very careful with the plastic block the lines connect to, they get very brittle.