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Tractor Talk Discussion Forum

Stopping a leak from a gas tank. (Any Ideas other than repla

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jd720spec

07-09-2007 09:37:00




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Hello, I have a neighbor that would like me to stop this leak from his unstyled John Deere B. I was wondering what should I use since I have never had this problem with any of my tractors. I have heard of this Kreem stuff in the Two Cylinder Magazine is this a good product? What would you recommend. Open to any ideas.
Thanks again




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coloflyboy

07-10-2007 18:06:05




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
If it's a crack, stop-drill both ends of the crack to keep the crack from getting longer. Do this by drilling a small hole at each end of the crack.

Then patch the hole.



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johndeereman

07-09-2007 20:18:46




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
you got a lot of ideas here but heres a trick if you decide to solder or weld it run a hose from youre car exhaust into the gas tank with car running of course then weld or whatever the exhaust will kill the gas fumes



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flying belgian

07-09-2007 15:04:03




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
Two part epoxy will stop but as others have said if tank flexes it will crack. If you are just hobbying with this tractor than the epoxy will last for years but if you are using it to pull in rough field then it will crack. I also have an unstyled B and I patched with epoxy 8 yrs. ago and it is still holding.



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1936

07-09-2007 14:22:30




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
I have been told by a guy that did it with JB weld, who stopped a leaking gas tank while gas was coming out.



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old

07-09-2007 11:46:28




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
Theres a number of way to fix it depending on how big the hole is and where. Radiator shops will clean and seal them or you can buy stuff to put into the tank that coats the tank. Or you can solder and or weld it BUT if you try to solder or weld it you need to be very careful or it can/will blow up in your face. I.E. it has to cleaner out very very well and even then it can be unsafe to do the welding or soldering

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MBU

07-09-2007 10:27:43




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
jd720spec,

They do make some two part epoxy that may work if the tank was drained and then applied, but on a tractor, the vibrations usually break it in a very short time.

If the tank has a pin hole than a sheet metal screw with a rubber washer will work but if it's a crack or a seam, then have it soldered by a professional company that is equipped to do this kind of work.

Good luck and please post back as to what you eventually do to stop the leak.

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Randy S

07-09-2007 10:18:59




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
If you can get it dry... sand it off and use J B Weld, it has worked great in the past for me. Works good on radiators too.



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davpal

07-09-2007 10:18:59




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
If the tank is empty and clean you can jb weld it very well. I did this to the very bottom of my 9n over 5 years ago and it has never leaked. Key is the tank has to be dry of all gas and weld has to cure. Then it is good to go.



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Jon Hagen

07-09-2007 10:37:27




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to davpal, 07-09-2007 10:18:59  
Have patched gas or even diesel tanks with JB putty sticks while the tank is full. You need to wet sand(fuel is leaking remember) the leak about 1-1/2 inches in diameter then jam a match head size bit of epoxy paste in the hole to stop the leak. When the sanded spot gets dry, add a large marble size lump of epoxy putty to make a full size repair. It will hold as long as the tank does not flex or the patch is struck by some hard object. Cured epoxy putty is very rigid and will break off if the tank flexes.

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rrlund

07-09-2007 09:58:06




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
My overhead gas tank was leaking with 300 gallons of gas in it. I went to the auto parts store and got a bar of some stuff. You cut off a piece,mash it together so the outside layer mixes with the inside,then mold it in to a cone and push it in to the hole. If its just seaping at a seam,I'd use Red Kote. Just follow the instructions on the can.



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Mike M

07-09-2007 09:48:33




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 Re: Stopping a leak from a gas tank. (Any Ideas other than r in reply to jd720spec, 07-09-2007 09:37:00  
Pull it off clean it up and solder it.



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