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#12834540 - 07/19/18 05:41 PM Gas tank Leaking
chas1 Offline
Angler

Registered: 04/01/06
Posts: 490
Loc: Stephenville tx.
I have a 17 foot express bass boat, with a 10 gallon Portable plastic gas tank with the plastic screw on cap, if itís more than half full, gas leaks around the threads , Not out of the vent on the cap, I know itís common for those portable tanks to leak a little gas around the cap , But is this anything I need to worry about and replace the tank, not sure I can find another cap for this tank,
The gasket looks good inside the cap ,so Iím not sure why itís leaking ,
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#12834669 - 07/19/18 07:24 PM Re: Gas tank Leaking [Re: chas1]
NITRO Z8 Offline
Pro Angler

Registered: 07/06/07
Posts: 618
Loc: Texas
Do you loosen the cap to let the air out of the tank before you do any fishing? Also could be a lot of expansion from the heat also. Could get another 10 gallon tank and try that out and see if you get the same results?

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#12834701 - 07/19/18 07:58 PM Re: Gas tank Leaking [Re: chas1]
Pat Goff Offline
TFF Celebrity

Registered: 01/29/05
Posts: 6007
Loc: Marble Falls/Seadrift
Your tank must be vented. Or it does what itís doing.
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Pat Goff
Marble Falls/Seadrift TX



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#12834737 - 07/19/18 08:18 PM Re: Gas tank Leaking [Re: chas1]
chas1 Offline
Angler

Registered: 04/01/06
Posts: 490
Loc: Stephenville tx.
Yes I have the vent screw loosened and is getting air and itís not choking down.


Edited by chas1 (07/19/18 08:19 PM)
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#12834816 - 07/19/18 09:15 PM Re: Gas tank Leaking [Re: chas1]
Pat Goff Offline
TFF Celebrity

Registered: 01/29/05
Posts: 6007
Loc: Marble Falls/Seadrift
Ok Iíd be looking for another tank. That one sounds compromised.
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Pat Goff
Marble Falls/Seadrift TX



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#12835541 - 07/20/18 01:24 PM Re: Gas tank Leaking [Re: chas1]
ssmith Offline
TFF Team Angler

Registered: 11/22/07
Posts: 3408
Loc: scotland tx
replace the tank fuel tanks are cheap compared to fuel getting into the bilge an a spark from a battery or other electrical connections could lead to a disaster

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#12836361 - 07/21/18 07:04 AM Re: Gas tank Leaking [Re: chas1]
Bob Landry Offline
Extreme Angler

Registered: 08/10/11
Posts: 2828
Loc: Austin, Tx
I hope this question is relevant to this thread. If the fuel tank is vented, why does it release pressure when I open the fuel tank cap to fill up?
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#12837669 - 07/22/18 01:47 PM Re: Gas tank Leaking [Re: Bob Landry]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11458
Loc: Littlefield Tx & Lake A. H. US...
Many EPA rules and regulations went into effect in 2009. Vents cannot be open-air vented like they always have been in the past. Portable tanks have even more restrictions. Some of the 2014 and up fuel tanks are pressurized and have a relief valve that will open if the pressure gets too high.
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