Fuel tank leaking

[6.7powerstroke]

I have a 2014 f350 srw and I just put a 51 gallon gravity feed aux tank in the bed it has been in there for a few weeks haven't had any problems now all of a sudden I park my truck at work and seen it was leaking fuel from the stock tank .. I can't really see on top of the tank but was wondering if anyone has had this issue..

Could it be leaking from the evaporator vent I know that vent has a lil rubber plug on it and is still on

Any help would be appreciated


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[6.7powerstroke]

Sry wrong place to post


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[tbsimmons]

Its the vent on top of the tank. Dont leave the valve open on the tank in the bed.
When I had the 08 with a tank in the bed I took the vent off and ran a hose up the filler neck to the bed side up higher so it helped a lot on that when I left the valve open.

 

[78f100]

Like already said gravity is most likely over filling the lower tank and it's coming out the vent.

 

[6.7powerstroke]

Its the vent on top of the tank. Dont leave the valve open on the tank in the bed.
When I had the 08 with a tank in the bed I took the vent off and ran a hose up the filler neck to the bed side up higher so it helped a lot on that when I left the valve open.

So when you ran your hose did is still leak


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[6.7powerstroke]

And I guess went out and checked and it has a small puddle on the ground and the valve has been off for about 5 miles


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[dsberman94]

Probably residual still. 5 miles isn't much.

 

[tbsimmons]

Only in the summer if I left the valve on.


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[6.7powerstroke]

10-4


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