Fuel filler hole question

6892 Views 17 Replies 7 Participants Last post by RNZL3R, Nov 21, 2017

RNZL3R

Discussion Starter · Nov 19, 2017

I just went out to go check the size of the filler hole on the truck, and I feel like something is different. I remember there used to be a brass flap there (like in the picture I've attached). Now, though, it's just a hole. Am I imagining things or being overly paranoid? Or is something genuinely missing from my truck? Mine isn't like the picture below. It's just a hole. Nothing blocking it and I can use a flashlight and look all the way down.

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Nissan4Life

· #7 · Nov 20, 2017

I looked at my 06 one day (10 years ago?) and noticed that there was no flap. Could not say if there ever was one to begin with. I fill from jerry cans often and was afraid that I might have dislodged it. Maybe that is why I have trouble filling with gas sometimes (still think is the a clogged charcoal canister vent).

Will wait to see if any older trucks chime in.

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Nissan4Life

· #9 · Nov 20, 2017

RNZL3R said:
That was my concern as well, either someone broke it siphoning fuel or I dislodged it with some fuel treatment. I'm not having any codes, though, I just thought for sure I had a little cover there. Now I'm scratching my head wondering why I thought that, because the only two vehicles I've ever owned were these two nissans and an older 89 toyota pickup.

Our 2012 toyota did not have the flap. I specifficly check right when we got it. Out 2004 ford explorer does not have one either. Maybe it feel off too. My 1976 toyota had the flap and I recall that it was still there when we sold it in 97. My 1990 nissan 300zx still has the flap.

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Nissan4Life

· #13 · Nov 21, 2017

I have heard of the flap referred to as a roll over fuel lose preventer.

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Nissan4Life

· #15 · Nov 21, 2017

RNZL3R said:
Which means?

If you roll your truck, gas doesn't slosh out the fill tube.

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Nissan4Life

· #17 · Nov 21, 2017

RNZL3R said:
So out of the hundreds of problems I'll have to worry about after rolling the truck, fuel leaking out would be item number #147. That's like the least of my worries. Also, doesn't the gas cap seal the system off?

Hey I didn't come up with it. Just something I read when I was trying to figure out what the flap was for, and why new cars don't seem to have it any more.

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