
Tank cap won't stop dripping
Have a 5 gallon tank (that has only ever been half full) on my van roof.
It has always dripped off the bottom of the cap. I've tried two different "vented" caps, one from Amazon and one from the container manufacturer.
I just recently added a vent into the cap, and air can be pulled in or pushed out. I assumed this would solve the problem without a doubt, ALAS, I was wrong!
I have not been using the diesel heater at all. It's driving me crazy as it drips down the side of my van and dust sticks to it...
Is this just somehow unsolvable??