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Old 07-25-2021, 02:18 PM   #1
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Join Date: Jul 2008
Location: Middlesex, NJ
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2012 E-450 Fuel Line Leak

Yesterday, we went to take our Sunseeker for a drive. As we pulled it out of the driveway, gasoline leaked from under the RV.

I think that it must be the fuel line, as there was no leak or gasoline smell prior to starting it. It was a big leak, a large puddle of gas ran out from under the RV, so we just backed it back into the driveway, and shut it off. After making sure their was not a continuing leak, we left it overnight.

Went back today to take a look at it, and make sure it was not leaking at all. Is the attached picture a picture of the gas tank? Yesterday, the leak seemed to be coming from the upper left hand corner of this area. I note that the picture has posted upside down, so the leak is in the lower right hand corner as the picture is posted.

Since it is definitely not driveable at this point, am currently trying to find a mobile repair service that serves central NJ where the RV is located.
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Jim, Donna, Kimberly, Kameron and Abby the Black Lab.
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Old 07-26-2021, 05:27 PM   #2
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Winnebago Owners Club
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Sounds like it could be a leak at the fitting or in the line(s) on top of your tank.

If you have to drop the tank, try to figure out a way to drain it first. They are heavy and awkward if there is much gas in them.

If it does come down, replace the fuel line to the genset. Just for an insurance and peace of mind.
Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back. Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand!
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Old 07-27-2021, 09:06 AM   #3
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Suspect rodent damage, fuel line could have been in the way of building a nest, I have seen this before, the gap between the top of the tank and the rv body makes a nice shelter, due to the leaking gas, no way to inspect it without dropping the tank with any kind of electronic scope.
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Old 07-30-2021, 08:35 AM   #4
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Did thief take fill hose clamp loose?
(TerryH.) 2000-GS Conquest Limited 6266 Class-C 99-E450SD V10
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Old 07-30-2021, 08:55 AM   #5
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So I bought 92 ford e150 conversation van.. still my daily driver.. use on trips. It's most likely.. the fuel inlines.. all on them.. reach up at fill line and see if you can pinch it.. now I am talking about the low pressure lines.. like fill or vent or sometimes the return.. so on mine.. I did not have to drop tank.. you can replace fill and vents lines with tank on frame.. so as you found out.. you can use cell phone with camera and flash and record up under tank and hoses and look for cracks or critters bites.. as said.. critters find old rv tasty.. they eat lines.. if you replace lines.. you find they got bites missing.. then you can buy a stainless steel cover to stop it from happening again.. but 99% sure just rotten.. I wrapped mine .. the filler line with duct tape.. until I got new one in.. so closely check fill hoses.. you may have to cut old filler then squeeze new one in.. with some grease inside new rubber filler hose.. use pen oil on clamps.. good luck and let us know what you did and maybe better members then me will help you
2000 southwind storm, workhorse custom chassis with 7.4l vortec
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Old 07-30-2021, 09:01 AM   #6
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Could be in gen line too.. if you got one.. just them all 1st.. then take off each of tank straps one at time and check under each one.. then replace the one you just inspect.. and so on.. lots of pen oil and clean threads with wire brush.. also.. did it just start after filling.. keep us posted
2000 southwind storm, workhorse custom chassis with 7.4l vortec
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leak, fuel

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