Originally Posted by thoer
What about just screwing the attached plastic cap in tightly enough? With the hose washer inside it should make a tight enough seal I would think.
Maybe... they're not intended for that purpose, but it might work.
I'm used to a filler with just a rubber cap, and didn't realize that the Escape filler had a threaded plug for a cap - good catch, Eric.
This stuff happens when you don't have the trailer yet...