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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

I have gas !!

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Old Jan 19, 2009 | 04:05 PM
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Red face I have gas !!

I have replaced the rubber fuel line on my truck. I still have all of the factory hard line in place. I have replaced the fuel filters. I have replaced the clamps with hose clamps. I have a new fuel pump. I have a new carb.

I STILL HAVE GAS!!

There is an odor of fuel around my truck when I get out of it. There are no leaks that I can find. It makes no difference if the tanks are full or empty.My plugs are not fouled and the truck runs great. Any ideas.
 
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Old Jan 19, 2009 | 05:12 PM
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my 78 had the same problem it was the "roll over " valve on top of the gas tank the rubber seal around it was old and brittle i replaced it and it was fixed no more gasy smell
 
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Old Jan 19, 2009 | 05:32 PM
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could be the canister purge not working right, what area are you smelling gas?
 
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Old Jan 19, 2009 | 08:30 PM
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It is actually around the entire truck. I notice it stronger under the drivers rear wheel well. I thought it was a seal on top of the gas tank. It just doesn't matter which tank is full or empty.
 
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Old Jan 19, 2009 | 09:01 PM
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a leak on the tank will leave a stain if its actually leaking liquid and not just vapor, I suggest crawling around under there with a flashlight and look for stains. Good chance its the tank itself.
 
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Old Jan 19, 2009 | 09:43 PM
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Originally Posted by Jeffery the first
my 78 had the same problem it was the "roll over " valve on top of the gas tank the rubber seal around it was old and brittle i replaced it and it was fixed no more gasy smell
What is the rollover valve? Is it the overflow line? Thanks for any help.
 
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Old Jan 19, 2009 | 09:47 PM
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Originally Posted by bashby
a leak on the tank will leave a stain if its actually leaking liquid and not just vapor, I suggest crawling around under there with a flashlight and look for stains. Good chance its the tank itself.
My tank does have tiny bits of rust coming through, Hence multiple fuel filters. I will look for stains. Thanks for the help.
 
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Old Jan 20, 2009 | 07:55 AM
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The rear tank might be rusting away at the top and not leaking fuel when it is sitting still but when you fill it and drive it would and you would smell it after you parked.
 
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Old Jan 20, 2009 | 06:45 PM
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it is at the top of the tank its a round normally white "plug" with a rubber seal around it and a line running to it
 
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Old Jan 21, 2009 | 08:00 PM
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I got rid of my gas. I gave the truck beano.


I actually found that I overtightened the clamp and cut into the hose.
 
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