Coolant Leak - What is this Part?

[Eurythmian]

2005 V6 - I have a very slight coolant leak at an area I'm not sure what it is or what it is for. I think this is the upper radiator hose with a part which is hard plastic and sticks up and says "Service Only" on the top of it.

At the base of this "Service Only" thing there seems to be a crack which runs the contour of the stem and it is getting worse. It just started doing this last week after I got my oil changed at a FORD dealership.

I've attached a couple pics of the hose area to show you guys what I am talking about. Is this a hose I can replace myself and get the parts from an Auto store or is it something I would be better off having the Dealership do?

 

[joegr]

Wow, there's seems to be quite a bit of this one going around right now. It's the engine air bleed.
I see that assembly in the service manual, but no indication of what it's called. I'm sure Max can help.

http://www.lincolnvscadillac.com/showthread.php?t=68648

 

[Eurythmian]

Wow, there's seems to be quite a bit of this one going around right now. It's the engine air bleed.
I see that assembly in the service manual, but no indication of what it's called. I'm sure Max can help.

http://www.lincolnvscadillac.com/showthread.php?t=68648

I guess that's it... looks like the same piece on the V8 photos. Is this part only available thru FORD?

 

[joegr]

I guess that's it... looks like the same piece on the V8 photos. Is this part only available thru FORD?

Those are V6 photos. The V8's have a fill cap instead.

I don't know if it is available from other than Ford or not, but I had assumed that it would be.

 

[Eurythmian]

Had the dealership do the repair.
$483.05

Ouch!

 

[hurricanetuck]

That piece sells for about $250 at the dealer