Installed a aux tank in bed.Tank had mounting tabs on bottom and at top that lined up with top of bed rail.I bolted to rail and bed.Bed sheet metal is tearing at front corners.I also have viberation issue that I am told they all have.Took to Ford to see what they say.They say problems are because I have or am overloading truck.I have had it weighed several times and not over loaded.Just some info for those that may have same iisues.I have factory hitch