Pretty sure I've found the source.
http://www.subaru-svx.net/photos/fil...u_S./27464.jpg
http://www.subaru-svx.net/photos/fil...u_S./27465.jpg
That white crusty hose.
Gonna take another minute to look it over with the hands instead of the camrea.
If anyone knows what the heck that piece of round metal with the hole is supposed to be connected I'd like to find out.