Gas tank overflow?
Gas tank overflow?
Does anyone know, if the gas tank is overfilled will it leak? Yeah, i'm an idiot, but gas prices went down and I got a little overzealous and overfilled the tank. I went into the garage and smelled gas, looks like it leaked from the top of the tank and then dripped around the bottom, can't tell exactly where at the top it's hard to see.
- johnnyb
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Re: Gas tank overflow?
never heard of a tank overfilling and spilling<p>it may be leaky gasket on the sending unit.
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Re: Gas tank overflow?
is our tank supposed to be vented??? I take the cap off and get a whoosh of air. So the engine is havin a hard time cukin gas with a vacuam in there. Now I drive with the cap loose, which CAN'T be good for moisture and that stuff. And info?
Re: Gas tank overflow?
Well, I drove around a bit till the float started moving the needle when going uphill, around turns etc. and the leak stopped. I could hear a hissing sound when I got back while under the car checking for the leak (air being sucked in by the tank). Yeah the tank creates a bit of vacuum as it empties, when the cap is removed you get a wooosh sound, anyway I removed the cap, got the woosh and the hiss stopped.<p>Sooo, there is either a leak at the top of the tank, or there is a pressure valve that opens, which could leak gas if the tank is overfilled (???).
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Re: Gas tank overflow?
1. The suction is normal, and healthy. Leave your cap on, engineers have spent quite a while making sure it works fine with the cap in place.<p>2. If you fill the tank, then drive a week, and open the cap and hear a Woosh, you're not leaking gas
Since, if it's holding a vacuum, it's holding Gas.
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