fill the tank and dump it again, X2 on something keeping it from closing all the way, you might be able to "flush" it out of the way
2007 All American Sport Toy Hauler 38 foot, 14,400 LBS dry weight
1999 Four Door Freightliner,new 6 Speed Auto, new Cat Motor, 12,600 LBS, rear air dump, lowers rear by 3", air activated rear locker, air ride seats, air ride cab, air ride suspension