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Old 08-09-2016, 07:23 AM   #1
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Brand: Thor Motor Coach
Model: Four Winds 31F
State: New Jersey
Posts: 12
THOR #798
Fuel tank leaks when filling up

My 2007 FW 31F Chevy WH chassis leaks fuel when filling up.I've gotta get under there and check it when I get home.Anyone ever have this problem?Its a 6.0 vortex with 18K miles on it.
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Old 08-09-2016, 08:23 AM   #2
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Brand: Crossroads
Model: CF32BL
State: Mississippi
Posts: 938
THOR #121
Might be a twisted filler hose.
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Frank and Janet Henn
2008 CrossRoads CF32Bl pushing a 2007 Dodge 2500
Traveling with Hoover, Rainbow and Sunshine
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Old 08-09-2016, 01:04 PM   #3
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Brand: Still Looking
State: Texas
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THOR #2121
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Originally Posted by mikhett View Post
My 2007 FW 31F Chevy WH chassis leaks fuel when filling up.I've gotta get under there and check it when I get home.Anyone ever have this problem?Its a 6.0 vortex with 18K miles on it.
If it just started doing it, it may be a bad hose or hose connection. I had that problem on a Ford pickup (I know it's not directly related to your motorhome, but they are all very similar).

To minimize the problem until I could fix it, I only filled it around 3/4 full. That seemed to help a little but not much. My hose was cracked near tank so leaving it full wasn't helping.
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