I got mine off, with the metal tube left intact, by very carefully dremeling the inner plastic clip, both sides, through each "window", where the clip edges seat on the baclk plastic portion (having the "windows"). Afterwards I found the hose no longer avialable from Ford, and had to buy the hose, and the quick connect adapter separately. For the quick connect, get the largest 3/4 inch one, IIRC only Advance Auto had it.
Should mention that you're not trying to drmel those tabs off completely, just reduce the amount that they stick out so that you can squeeze the tabs qand get it to release.