my E-27 has a very small leak from the seam at the gas tank bottom that I have been unable to stop with various leak stop products. The tank is fiberglassed to the hull so it can't be removed. Looks like the only option is to cut the tank out; I believe that the tank is aluminum; can anyone verify?
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gas Tank construction
- Thread starter Vindauga
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When we can see your boat, year, and aux. engine, it's faster to home in on some possible answers. Put your sailing area there too.
When we can see your boat, year, and aux. engine, it's faster to home in on some possible answers. Put your sailing area there too.
Dave G.
1984 E30+ (SOLD)
Can you see the tank ? I would guess that it's aluminum. Don't have a gas engine so not positive though. I'm guessing at that too based on thread title. I think all of our tanks are tabbed to the hull and to get it out you'll have to cut it loose. There are less options to repair a "gas" tank in place unfortunately. I'm sure you know this but the other issue is flammability of gas so make sure you pump it dry and flush/air it out before deconstruction. If you can get it loose can you get it out in one piece ? Maybe someone with a sistership will chime in and give you more info that I can. As Loren suggested it always helps to put all your boat info in & it also helps if you put boat info in the thread title.
Is the tank a gasoline or diesel tank? I ask because if your boat has a gasoline engine the tank may be steel. If the engine is a diesel then the tank is probably aluminum.
We just went through the same thing.
It's Aluminum, ours was peppered with tiny holes all along the seam closest to the bilge. You can remove it. We used a Fein Tool to remove the glass from the top of the mounts, then unscrewed all the hardware, came right out. Just be extremely careful with the cutting. Remove tank, and take it to a welder friend. Have them do a pressure test to be sure. You can also do a water test, but the pressure test will tell you more.
Once the outside is patched up, we did the tank liner goop. "POR15" on Amazon. Swish that around inside the tank and give it a few days to cure, the inside will be like new. Worked like a charm. We put the newly sealed tank in, reglassed the old fittings to the hull, and even put some rubber under the previously damaged seam to prevent future damage.
It's Aluminum, ours was peppered with tiny holes all along the seam closest to the bilge. You can remove it. We used a Fein Tool to remove the glass from the top of the mounts, then unscrewed all the hardware, came right out. Just be extremely careful with the cutting. Remove tank, and take it to a welder friend.
Have them do a pressure test to be sure. You can also do a water test, but the pressure test will tell you more.Once the outside is patched up, we did the tank liner goop. "POR15" on Amazon. Swish that around inside the tank and give it a few days to cure, the inside will be like new. Worked like a charm. We put the newly sealed tank in, reglassed the old fittings to the hull, and even put some rubber under the previously damaged seam to prevent future damage.