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06-22-2016, 12:01 PM
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#1
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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Extra fuel tank leaking
My 100gal fuel tank wants to leak when I bounce the truck around. Could I empty the tank and get someone to spot weld the hole? Tank doesn't leak all the time. If I was home it would not be a problem but I'm in Yellowstone.
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06-22-2016, 01:48 PM
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#2
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Retired
Join Date: Sep 2010
Location: Calgary, AB
Posts: 250
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I would grab a phone book and find a pro at fixing leaky fuel tanks before asking on an internet forum. Just saying...
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2014 Chevrolet Silverado 3500 LTZ CCLB DRW D/A - Rancher Grille Guard - Transfer flow 40 gallon Toolbox/Tank Combo - Line X - Edge Insight
2015 Palomino Sabre 33CKTS - Platinum Edition - Progressive Industries EMS HW50C - JT Strong Arm Stabilizers - Ground Control 3.0 - 320 Watt Solar with 2000 Watt Inverter
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06-22-2016, 02:20 PM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 7,363
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Not sure what kind of tank you have ?? Aluminum,steel, other. Gas or diesel?? Is it a crack or a puncture hole? Any tank can be welded on. Probably cost more than new tank cost. No one will weld on it in the truck.
So after all the above id go to auto parts store and get some JB Weld.
I've had great luck patching small leaks in steel or aluminum fuel tanks with that.
Russell.
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06-22-2016, 02:34 PM
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#4
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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It's a steel tank and is diesel fuel. I'll empty the tank, use the diesel up. It doesn't leak all the time. When tank gets empty I'll try the JB wield. Tank is easy to get out of truck when empty
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06-22-2016, 02:40 PM
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#5
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Senior Member
Join Date: Nov 2010
Location: Arlington, Texas
Posts: 469
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spock123,
This may sound weird, but it worked for me. If you can see the crack or opening if small, get a soap bar and rub the crack and it will seal it for a while. Maybe it will get you home to repair or replace it.
Jester
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2012 Super Crew 4WD 6.7 PSD
2015 Cardinal 3800 FL
2007 Road King Black Cherry-Hers
2007 Road King Blue-Mine
1979 FXS Hot Rod Shovelhead
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06-22-2016, 04:03 PM
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#6
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Senior Member
Join Date: Mar 2014
Location: Where the camper is
Posts: 598
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Depends where on the tank. When logging if a steel tank starting leaking on the bottom of the L portion. We had several different welders try to stop it. Ground out the welds and weld it back and plate it. Six months later it would leak again. Getting the surface free of all diesel is the key to seal from welding. If on the the road I would brake clean and use some expoxy weld.
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06-23-2016, 02:47 PM
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#7
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Junior Member
Join Date: May 2016
Location: Texas
Posts: 10
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Fuel Tank Leaking
I would use Pro-Seal 890 fuel tank sealant. This was used on my experimental airplane for sealing the gas tank. This is also used between the seam on jets to be able to be pressurized. Works for diesel fuel also. Great stuff!
Ken
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2011 Ford F150 EB 3.5 3.73
2016 Forest River Cruise Lite 273QBXL
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Central Texas
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06-23-2016, 02:53 PM
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#8
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Senior Member
Join Date: Oct 2015
Posts: 364
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Some of those steel tanks have limited baffles (or none at all) and will start cracking at the welds. You can weld on it, but it will just crack somewhere else. I've seen the welded sections reinforced with strips of angle welded along the edges. Internal baffling is really the best solution, as 100 gallons of diesel sloshing around is rough on the thin gauge material.
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06-23-2016, 07:38 PM
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#9
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Senior Member
Join Date: Mar 2015
Posts: 209
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Quote:
Originally Posted by Jestercyco
spock123,
This may sound weird, but it worked for me. If you can see the crack or opening if small, get a soap bar and rub the crack and it will seal it for a while. Maybe it will get you home to repair or replace it.
Jester
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The soap does work for a temp repair, didn't beleive it until I tried it, gote home where a friend welded it with a nitrogen purge.
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06-24-2016, 05:45 PM
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#10
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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I have had my tank for more than 8 years now, I hope to empty it soon. I'm in Yellowstone now and today I wasn't getting any help from my Garmin RV760 and I somehow took the scenic tour, took the wrong road. 50 miles out of the way. I just want to get the tank fixed for this trip, once I get home I'll decide what to do about a permanent fix or get a new tank. I want a aluminum tank but expensive
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06-26-2016, 10:13 AM
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#11
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Senior Member
Join Date: Jul 2015
Location: austinburg ohio
Posts: 821
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X2 on the j b weld its help for 5 years now on a aluminum tank
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06-26-2016, 07:38 PM
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#12
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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I just put the JB weld on just now, didn't read the part about having wet fingers but it is already hard. How long before I can put diesel in the tank?
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06-26-2016, 08:02 PM
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#13
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Senior Member
Join Date: Jul 2014
Posts: 7,363
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Could of probably had fuel in it and it work.
Russell
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06-27-2016, 03:38 PM
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#14
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Senior Member
Join Date: Jul 2009
Location: Warsaw,NC
Posts: 7,184
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I think I fixed the extra fuel tank, the JB weld worked great. Its nice to be able to use the tank again. I just hate to use gas stations hooked up and I can usually beat the truck stops on price
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