Just joined, might as well find out about another vehicle of mine.

Have this 99 Accord, has the 3.0V6, great engine, love it. last summer smelled a hint of antifreeze now and then. Never really a difference in levels when I check it. Finally thermostat stuck. Fixed it,

Now the Question....
So, its been a few weeks and all seemed good until yesterday when I pulled in my drive after work. I smelled antifreeze stronger than previous, alarmed I popped the hood and looked around. I found a small hose, near 1/4" which connects to the throttle body right below the air intake. had fresh antifreeze around the connection from the hose to the metal line.

Maybe just needs a new clamp, maybe something building up more pressure than designed. Planning on throwing on a new clamp, just want more info...

I don't even have a clue what this cooling system line does. Can someone give me some insight on this? thanks