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Old 07-19-2016, 01:36 PM   #1
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Fuel leak when over 3/4 full

I figured id ask b4 looking but the last time I filled up I stopped at 3/4 full because at that point fuel started leaking on the ground.I figure a hose leak or something.This is a 2008 four winds with 6.0 vortec GM.THANKS

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Old 07-19-2016, 07:46 PM   #2
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The safest thing to do would be to drop the tank and check all connections. It could be the fill hose, that's probably one of the only connections not on the top of the tank, I believe.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 07-20-2016, 09:29 PM   #3
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Originally Posted by mikhett View Post
I figured id ask b4 looking but the last time I filled up I stopped at 3/4 full because at that point fuel started leaking on the ground.I figure a hose leak or something.This is a 2008 four winds with 6.0 vortec GM.THANKS
had the exact same thing happen to me the day i went to pick up my new land yacht. mine was the filler neck hose became soft since i own a 1988 and its original i assume. i just climbed under it with a flashlight and looked. right there at the gas station. found it! lol
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Old 07-28-2016, 05:25 PM   #4
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Had the exact same problem in my 2001 Sunseeker. Found the evap hose that runs along the filler pipe was routed under the fill pipe, also was dry rotted. Could not figure out how to fix without dropping black tank. Took to my local mechanic and he was stumped but suggested pulling the entire fill tube and evac out the side of the RV. He replaced both with brand new lines and it cost me $100. Leak gone runs great.
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leak, fuel

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