Quote Originally Posted by CornRickey View Post
I would verify the tank vent is functioning properly. Gasoline has the ability to generate 10psi @ 100f. Obviously the gas didn't get to 100 but it does generate pressure. If the vent isn't functioning properly the tank would bow. The top bowing could only be from internal pressure not from the weight of the gas. If it's working properly then it's a wrong pump or defect tank from the factory and it finally broke.
At the dealer currently and the factory has requested that they check for that exact thing. I will update when I know more.