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Jan 23rd, 2013
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Gas tank Leaking #12834540
07/19/18 10:41 PM
07/19/18 10:41 PM
Joined: Apr 2006
Posts: 490
Stephenville tx.
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chas1 Offline OP
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chas1  Offline OP
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Joined: Apr 2006
Posts: 490
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 ,


Re: Gas tank Leaking [Re: chas1] #12834669
07/20/18 12:24 AM
07/20/18 12:24 AM
Joined: Jul 2007
Posts: 636
Texas
NITRO Z8 Online shocked
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NITRO Z8  Online Shocked
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Joined: Jul 2007
Posts: 636
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?

Re: Gas tank Leaking [Re: chas1] #12834701
07/20/18 12:58 AM
07/20/18 12:58 AM
Joined: Jan 2005
Posts: 6,053
Seadrift TX
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Pat Goff Online content
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Pat Goff  Online Content
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Joined: Jan 2005
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Seadrift TX
Your tank must be vented. Or it does what itís doing.


Pat Goff
Seadrift TX
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Re: Gas tank Leaking [Re: chas1] #12834737
07/20/18 01:18 AM
07/20/18 01:18 AM
Joined: Apr 2006
Posts: 490
Stephenville tx.
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chas1 Offline OP
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chas1  Offline OP
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Joined: Apr 2006
Posts: 490
Stephenville tx.
Yes I have the vent screw loosened and is getting air and itís not choking down.

Last edited by chas1; 07/20/18 01:19 AM.

Re: Gas tank Leaking [Re: chas1] #12834816
07/20/18 02:15 AM
07/20/18 02:15 AM
Joined: Jan 2005
Posts: 6,053
Seadrift TX
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Pat Goff Online content
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Seadrift TX
Ok Iíd be looking for another tank. That one sounds compromised.


Pat Goff
Seadrift TX
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Re: Gas tank Leaking [Re: chas1] #12835541
07/20/18 06:24 PM
07/20/18 06:24 PM
Joined: Nov 2007
Posts: 3,584
scotland tx
ssmith Online content
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ssmith  Online Content
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Posts: 3,584
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

Re: Gas tank Leaking [Re: chas1] #12836361
07/21/18 12:04 PM
07/21/18 12:04 PM
Joined: Aug 2011
Posts: 2,845
Austin, Tx
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Bob Landry Offline
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Bob Landry  Offline
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Posts: 2,845
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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Re: Gas tank Leaking [Re: Bob Landry] #12837669
07/22/18 06:47 PM
07/22/18 06:47 PM
Joined: May 2003
Posts: 11,496
Littlefield Tx & Lake A. H. US...
gary purdy Offline
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gary purdy  Offline
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Posts: 11,496
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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