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Gas tank sealer?


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#1 backwoods OFFLINE  

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Posted March 21, 2017 - 05:59 PM

What is the best way to seal a gas tank leak?? The blue line is the crack innthe tank.5f47959c91da6f8e6fde095cdb82ab23.jpg

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#2 poncho62 ONLINE  

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Posted March 21, 2017 - 06:16 PM

That, I would solder it.........Clean it up real good, some flux and a big soldering iron, not a torch


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#3 Bolens 1000 ONLINE  

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Posted March 21, 2017 - 06:25 PM

Red kote tank liner

 

Quality stuff


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#4 MiCarl ONLINE  

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Posted March 21, 2017 - 06:35 PM

Normally I like an epoxy sealer (which Red Kote is).  I wonder though if you don't have a structural problem there.

 

It looks like the flange is bolted or riveted to the tank and sealed with solder.  If the attachment is loose epoxy might eventually crack too, although I'd expect it to last longer than the solder.


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#5 backwoods OFFLINE  

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Posted March 21, 2017 - 06:58 PM

It was resting on a piece of steel that should have had rubber between that an the tank. In this pic the brace on the bottom of the picture is right were it was sitting. So it caused some major vibration while running an caused the damage to the tank.
5c99acdb8a11492528ccdbb63d632a38.jpg

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#6 Cvans OFFLINE  

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Posted March 21, 2017 - 07:43 PM

Yep solder would be my answer.


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#7 DZG OFFLINE  

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Posted March 21, 2017 - 08:18 PM

Ive always had good luck with seal all, fuel leaks, radiators, its never failed me
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#8 Kster526 OFFLINE  

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Posted March 21, 2017 - 08:26 PM

Solder then sealer on the inside. You've got it out that wAy your sure the
Crack is sealed on both sides of the tank
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#9 EricFromPa ONLINE  

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Posted March 21, 2017 - 08:26 PM

Solder it then use red kote sealer.

If you just Epoxy it or JB weld it will leak as soon as gas finds a way under the epoxy. It might take a while but it always does.


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#10 adamjd200 OFFLINE  

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Posted March 21, 2017 - 09:29 PM

Red kote tank liner
 
Quality stuff

I use this stuff as well.
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#11 Tecumseh power OFFLINE  

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Posted March 21, 2017 - 10:21 PM

Mig it

#12 adamjd200 OFFLINE  

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Posted March 21, 2017 - 10:55 PM

Mig it


That is fairly risky, heard too many bad stories about welding gas tanks.
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#13 Kster526 OFFLINE  

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Posted March 22, 2017 - 06:10 AM

Agreed plus you'll have some distortion of the tank if you do it to quick. I've seen braising done also but feel that always ends up leaking again.


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#14 backwoods OFFLINE  

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Posted March 22, 2017 - 11:02 AM

I think I'm going to clean it up an reflow so of the solder then apply a few this coats of jb weld an also add a rubber cushion between the tank an cross member.

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#15 adamjd200 OFFLINE  

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Posted March 22, 2017 - 12:53 PM

I think I'm going to clean it up an reflow so of the solder then apply a few this coats of jb weld an also add a rubber cushion between the tank an cross member.
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I would still put red kote or something in the tank.




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