Originally Posted by Bob G
I am very interested in the tank imploding also. What ever happened with the member who had the post about it? The last I heard is that it was fixed but not what caused it. Although I can't see how this would make a thumping noise, as the tank is behind the rear end.
Do a search on this forum "LOUD BANG" and I think you'll come-up with more info...
Not to say your problem has anything to do with the gas tank, but it could...