Saw a puddle this morning under the coach. Further investigation shows that one of the fuel lines to the fuel water separator is leaking. The leak is along the hose itself so it must be cracked. I have no experience with this what so ever. If I take the fuel line off to replace it, will the entire fuel tank drain on the ground? Will taking it off cause air to get into the fuel line system? It appears to be a thick rubber hose..... is it also a special kind of hose? Or.... should I just have a mechanic replace it?