I remove the fuel tank on a 2006 saturn ion 2 and i replace the Fuel Pump & Housing Assembly and that's when the flapping sound started it make the noise when going down the highway i had broke the vapor line where it connect to the fuel tank on top buti repair it with some Jb weld could it have come apart and make the noise? the fuel tank also have a shiel under the bottom of the tank that over the tail pipe could it make a flapping noise what i need to check and how do i find the noise?

Cars & Trucks - Saturn