Now That We Re-hashed Tires, Tank Repair.
I also found a crack in my water tank when I filled up at my destination. It is right above the cross connector tube fitting, about 1" long. I've never messed with plastic or poly-what-ever-it-is. I c...
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I'd repair it myself - at least the first try. I had to repair my water tank when it developed a tiny crack. The tank was designed with a ledge on 2 of the sides so that it could rest on a supports. Over time it developed a hole from the movement and banging (probably when the tank was empty) while driving. I used a heat gun (it gets soft quickly, so don't over heat it) and some pieces of poly (strips cut out from an empty clorox bottle) which I placed over the hole (crack) and melted into the tank. I then put eternabond along both ledges (as a padding when resting on the supports).
