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  #1  
Old 07-05-2015, 01:04 PM
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GeoffInCarlsbad GeoffInCarlsbad is offline
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Question Gas Odor after Fill

I just filled my 61 to the hilt to check accuracy of the fuel gauge. Showed 1/4 tank. I put in a little less that 10 gallons, and I had a bit of overflow at the nozzle.

Put into garage last night, and when I went into garage this morning, got a strong gas scent. No drips under the car, and when I lifted the hood, no gas smell there. So I am "guessing" the overflow may have caused the tank to be a little "too full" and it's venting the gas smell....Is this right or could there be another issue?

~g
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  #2  
Old 07-05-2015, 02:17 PM
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You may have fumes leaking from around the sender seal. You should feel pressure when you remove the gas cap. Also make sure that you have a vented gas cap. Is the gas tank new. I've had old tanks that had pin holes that didn't show a noticeable leak.

John
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Old 07-05-2015, 07:20 PM
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Default Thanks!

Ok, great. good advice. Need a vented cap. Checking for pressure today. Thanks for the heads up!

It is an old tank, probably the original.

~g
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Old 07-05-2015, 10:04 PM
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Geoff, if you filled your tank to the hilt like you say, & didn't drive it far before parking it, & I'm assuming it's hot there being summer, it could be expansion overflow.

Chris.....From OZ.
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Old 07-07-2015, 12:20 AM
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My grandfather was born in 1904 and lived in Nova Scotia when he was a kid. He said the he smelled the first car before he ever saw it.

Point being that old cars stink. I've heard it said that they pollute more standing still then a new car tooling down the highway. That's the vented fuel system.

Just like gramps, could be you're not used to smelling it so you noticed it right away.

The factory fuel system vents gas fumes at four locations:

1. The gas cap
2. The carburetor primary bowl
3. The carburetor secondary bowl

On my tank, which is a replacement, there is also a small vent tube at the very top. Not sure if this is factory or not. I connected a 1/8" vacuum hose to it and collect fumes out of it.
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