i did a simple d16 swap in a 99 ex auto with a 00 ex manual, i have a rubber line coming out under the intake manifold that is leaking coolant not sure where it goes any ideas.

 

There are two coolant lines running to your Idle Air Control Valve/Fast Idle Valve/whatever you want to call it. The part in the left corner of this picture. The hose on the passenger side goes to the port on the back side of the throttle body, and the hose on the driver side goes to a port on the water pipe above your oil filter.

You're clamp is probably offset/loose and causing it to leak. just re-adjust the clamp and tighten it, or replace the hose. whichever is needed.

 

thatks that helps alot where did you get this pic from.

 

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