plastic gas tank repair

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wave

wave

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Oct 12, 2006
13
Catalina 25 Daytona Beach, FL
Hi, Wondering what glues anyone might have found that do a lasting job for plastic gas tanks. The leak is on the seam that is where the two parts are glued to form one gas tank (01 Nissan 3.5). Thanks for any insight, Dave Dave Robbins *Bamboo* '89 C-25 WK/SR #5877
 
A

Alchemist

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Mar 31, 2004
244
Catalina 380 T Holland
Your gas tank isn't glued,

it's thermally welded. There is no glue that will stick well to polyethylene. You're best off replacing it. Although you may find some adhesive that seems to hold for a little while, the joint WILL come unglued in the near future. For safety and environmental reasons, bite the bullet and replace it. You may find a plastic shop that will weld it back together for you, but that would probably cost more than the tank is worth. Steve Alchemist
 
L

Landsend

you could try a soldering iron....

what have you got to loose? And some Goop over the repair.
 
R

RAY K18698

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Jul 12, 2004
12
- - CHAUTAQUA LAKE ,NY
Check out this product

Dave, I just used this product on my rusted outboard tank with great results. It says you can use it on platic & fiberglass too, Just seal the seam with duct tape. It gave a new plastic coating to the inside of my tank thats not permeble to fuels & gas however, I'll have to wait until spring to test it out. Check out the link below. Ray
 
Fred Ficarra

Fred Ficarra

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Dec 2, 2003
4,245
- - Seabeck WA
Landsend?!

Did you really say that? What have you got to loose? How about everything around the gas tank?
 
Don s/v Tellico

Don s/v Tellico

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Feb 15, 2004
735
Hunter 37.5 Balt/Annapolis/New Bern
Tried lots of stuff

on a crack on my Tohatsu 5 internal plastic tank. Nothing worked. Friends gave me all sorts of magic stuff to try. Nothing. Finally bought a new tank for $50, before I spent that amount on efforts to fix it. Of course, then found out they had changed the design, so I had then to buy a new cap too, that was another $32. It's never ending.
 
P

Pete

tank leak fix

Have u tried epoxy fiberglass resin? Next would be reweld with a preheated hot solder iron.Caution! Do not use anything with open flames or sparks.good luck.
 
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larry w

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Jun 16, 2005
476
- - long beach, CA
tank

nothing sticks to that kind of plastic - I've tried. Before you spend the price of a new one, not to mention your time, just buy a new one.
 
K

Kurt Adams

Where to get one

Here is a link to a company called internetoutboards that has them available online. http://www.internetoutboards.com/partdetail.asp?id=318
 
B

Benny

I would suggest you replace it.

not to long ago I got one at Walmart (3.5 gallons) for under $20.00. You can transfer your fittings to the new tank.
 
K

Kerry

Been there, done that

I tried to patch my muffler which is made out of plastic with some stuff made for plastic. Muffler had burnt through when my raw water pump stopped working a couple of weeks ago. I thought I had all the holes plugged until I got the raw water going again. I decided it was not worth the risk of having the patch stuff come off and fill the bilge with sea water. My plastic container (muffler) cost $200, but still worth it to sleep good. And now, your talking about a plastic gas tank. Let,s see.....hmmmmm. Naw, not worth the risk. Replace it.
 
Bob Todd

Bob Todd

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Jun 6, 2004
300
- - E. Greenwich, RI
Come on, cheapskates...

Use your loaf. The structural integrity of your fuel tank is jeopardized and you're looking for a nickel way to fix it. Sorry, but I place a higher value on my safety and the environment. In the larger picture of the costs of sailing, the cost of that little fuel tank is a drop in the ocean. Oh...and using a HEAT source on a fuel tank? For some reason a vision of Wyle E. Coyote keeps coming to mind. Cheers, Bob
 
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