Capless tank

[Jmarler]

I was filling up gas and I noticed when I have the hose in the tank, the capless piece looks like it has a hole on the top edge seal. But after I took the hose out, it gets covered back up. I'm just wondering if that's supposed to do that maybe to vent or do I need to get it looked at? Anyone noticed this?

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[GregsFX2Ranger]

As designed.

 

[JohnnyO]

It's magics.

 

[Langwilliams]

Witchcraft I tell you!!

I like the convenience of the capless gas tank but hope it's not a headache when it needs replaced

 

[CJBax]

I've been wondering, since anyone can just open the gas fill area, can someone siphon out my gas while I'm hiking a trail or out paddle boarding? I just assumed that's what tank cap locks or in-vehicle fill door releases were preventing, someone stealing your gas...

 

[AzScorpion]

I've been wondering, since anyone can just open the gas fill area, can someone siphon out my gas while I'm hiking a trail or out paddle boarding? I just assumed that's what tank cap locks or in-vehicle fill door releases were preventing, someone stealing your gas...

Short answer no they can not be siphoned.

Long answer:

https://www.autoevolution.com/news/ford-easy-fuel-prevents-gas-theft-36806.html

Ford’s capless full filler deters gas theft two different ways. With Easy Fuel, a spring-loaded flapper door is held closed by latches that can only be released by a standard-size fuel nozzle. This eliminates the need for a fuel tank screw cap. When the proper nozzle is inserted into the filler neck of the system, the latches release, and the nozzle pushes the spring-loaded flapper door to the open position. When the nozzle is removed, the flapper door automatically is forced closed by the spring.

Easy Fuel has a unique mis-fueling inhibitor to reduce improper refueling and siphoning. The inhibitor consists of a fuel nozzle detector that guides the nozzle to the opening. If a nozzle or foreign tube of a different size – a diesel nozzle or plastic hose, for example – is placed in the filler neck of a gasoline-powered vehicle, the latches will not release.

“Unless they understand how the mis-fueling inhibitor works and come prepared, many would-be fuel thieves are unsuccessful in siphoning fuel from Ford vehicles,” said Aitken.

Another deterrent in Ford vehicles is associated with the on-board refueling vapor recovery (ORVR) system. The main purpose of the system is to prevent vapors from escaping during the fueling process. Another deterrent in Ford vehicles is an inlet check valve that is part of the on-board refueling vapor recovery system.

 

[ScrappyLaptop]

I've been wondering, since anyone can just open the gas fill area, can someone siphon out my gas while I'm hiking a trail or out paddle boarding? I just assumed that's what tank cap locks or in-vehicle fill door releases were preventing, someone stealing your gas...

The "Ford Easy Fuel cap-less fuel system" (and you thought it was just a fill area) has a check valve in the fill neck before the tank and a valve that's part of the vapor recovery system. Together they block siphons from reaching the tank.

 

[ScrappyLaptop]

check valve or not...you're always at risk.
one of many articles on the subject

https://www.cbc.ca/news/canada/london/drilling-gas-tank-theft-1.5034108

From the article: "A steel drill bit and a steel tank, if you were to throw a spark I doubt it would ignite anything, but I wouldn't want to test that theory," ???

 

[Langwilliams]

From the article: "A steel drill bit and a steel tank, if you were to throw a spark I doubt it would ignite anything, but I wouldn't want to test that theory," ???

I feel that way about putting an electric fuel pump IN THE TANK anytime I replace the pump.

 

[Msfitoy]

Would a 2 dollar adapter funnel make it easier to steal gas?

 

[slowmachine]

Would a 2 dollar adapter funnel make it easier to steal gas?

I didn’t work very hard at it, but I would say that the funnel only helps with adding fuel. I would be interested to see the hose that would reliably snake down into the fuel.

 

[VAMike]

Would a 2 dollar adapter funnel make it easier to steal gas?

It opens the door but not the check valve

 

[Msfitoy]

It opens the door but not the check valve

How does fuel get in then?

 

[ScrappyLaptop]

How does fuel get in then?

I don't know if this is the exact design Ford uses, but conceptually it's like this. In this example there's a ball that floats and lets gas into the tank, but gets pushed against a collar if a siphon tube is inserted.

 

[Msfitoy]

I don't know if this is the exact design Ford uses, but conceptually it's like this. In this example there's a ball that floats and lets gas into the tank, but gets pushed against a collar if a siphon tube is inserted.

That'll make drilling the bottom of the fuel tank much more attractive ?

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