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Old 11-02-2014, 12:06 PM   #1
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Fuel Tank Leaks

We have a 2006 Endeavor with a separating weld at the drain plug, diesel tank. Does anyone have directions on removing the tank for repairs. Thank you all in advance.

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Old 11-02-2014, 01:51 PM   #2
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Empty tank.
1.) Remove all plumbing to and from tank.
2.) Disconnect wires.
3.) Unbolt straps and supports holding tank in place.
4.) When it falls free, you've got it out.
5.) Flush and clean tank, weld seam, and replace tank.

I don't know how detailed you want instructions, it's not done often enough by most shade tree mechanics to be more specific.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 11-02-2014, 02:04 PM   #3
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I had a fuel tank leaking on a Chevy pickup. Drained the tank and patched it with JB weld, it was still holding when I sold the truck. Also patched an air ride manifold on my Travel Supreme wth JB Weld that had air pressure of 125 PSI that was still holding 10 years later when I sold the MH.

It's worth a try before dropping the tank..if it doesn't work, you haven't lost anything.
Chuck in SW FL
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Old 11-02-2014, 02:16 PM   #4
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I had the same thing happen to our 07 Knight. The panel on the driver side is hinged, it is the panel with the fill door. remove a couple of screws and it can be opened. After diconecting all the fuel lines and wiring to the gage you can slide it out the side. I think I had to cut a little metal on the outside rail to slide it out. Its heavy and best if you have 3 or 4 people to help. the hardest part was diconecting the main fuel line in the middle of the tank on top, its hard to reach.
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Old 11-02-2014, 03:03 PM   #5
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If you are not comfortable doing the repair your self you can drain the fuel out drop the tank and take it to a good radiator shop.
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Old 11-02-2014, 10:31 PM   #6
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If the weld is not separated where the drain plug screws in and is basically just a crack in the tank I would not take it off and have it fixed. Most auto repair shops sell epoxy repair kits. Make sure to get the one for diesel tanks. Empty the tank out and let it dry. Sand the tank to rough it up and then apply the epoxy. I have a plastic tank on my tractor. It got a small hole in it and I got the epoxy repair kit for it. That has been 4 years ago and it is still not leaking. I don't think you drive your MH over as rough a surfaces as I do my tractor.
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Old 11-03-2014, 05:14 AM   #7
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As brobox and Gemini5362 mention, get a tube of the JBWeld or Water Weld or similar product that is resistant to fuel oils - that stuff really does work. On my 00 F250 SuperDuty diesel while driving one day the fuel tank straps had rusted enough that the fuel cell tipped out of the bottom and dragged it at 55mph for about a minute. This created a hole in the corner of the plastic tank flat thus emptying almost 30 gallons of diesel all over the highway. I cleaned it real well and dried it up using brake cleaner and applied a product called Water Weld. Im talking a hole the size of a half dollar piece in the very bottom corner. Within 4 hours that was hard enough to add 5 gal of fuel from a can and to this day it has never leaked - not even seeping around that area. I would have never believed it myself, but it honestly does work. I have since used it on a 55 gallon drum that had 3/8" holes drilled on the bottom to prevent liquid retention. I wanted to use the drum to collect used oil. Placed some Water weld in/over the holes and it is still holding well to this day.

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fuel, leak, leaks, tank

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