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Re: Gas overflowing out of vent tube & gas cap!
[Re: Mass_Mopar]
#315300
05/11/09 08:09 PM
05/11/09 08:09 PM
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Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
In_The_Pink
master
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master
Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
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Quote:
When the Charger has a full tank (pretty much all the time) and it sits in the sun it will routinely start dripping gas out of the vent tube (vented into the rear frame rail) and on extremely hot occasions out of the gas cap also. Is there a good way to keep this from happening?
Keep the fual tank less than full. Solved.
Heat = expansion = overflowing fuel tank.
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Re: Gas overflowing out of vent tube & gas cap!
[Re: In_The_Pink]
#315302
05/11/09 08:21 PM
05/11/09 08:21 PM
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Joined: Jun 2004
Posts: 1,323
La Grange, Ky
70rrclone
pro stock
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pro stock
Joined: Jun 2004
Posts: 1,323
La Grange, Ky
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Quote:
Quote:
When the Charger has a full tank (pretty much all the time) and it sits in the sun it will routinely start dripping gas out of the vent tube (vented into the rear frame rail) and on extremely hot occasions out of the gas cap also. Is there a good way to keep this from happening?
Keep the fual tank less than full. Solved.
Heat = expansion = overflowing fuel tank.
our planes have the same problem we adjust the fuel load depending on temp so they dont vent fuel. i havn;t heard of it in cars although i'm sure its possible. same principle.
shane
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Re: Gas overflowing out of vent tube & gas cap!
[Re: 70rrclone]
#315303
05/11/09 08:26 PM
05/11/09 08:26 PM
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Joined: Dec 2007
Posts: 7,759
So Cal
HealthServices
Why would you even post that?
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Why would you even post that?
Joined: Dec 2007
Posts: 7,759
So Cal
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The way the tank is made on the B bodies it is easy to over fill. There are no air pockets like late model cars for expansion.
Allen
Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first.
Life was a little easier when I was just a wrench.
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Re: Gas overflowing out of vent tube & gas cap!
[Re: In_The_Pink]
#315304
05/11/09 08:30 PM
05/11/09 08:30 PM
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Joined: Nov 2003
Posts: 5,867
MA
Mass_Mopar
OP
master
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OP
master
Joined: Nov 2003
Posts: 5,867
MA
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Quote:
Quote:
When the Charger has a full tank (pretty much all the time) and it sits in the sun it will routinely start dripping gas out of the vent tube (vented into the rear frame rail) and on extremely hot occasions out of the gas cap also. Is there a good way to keep this from happening?
Keep the fual tank less than full. Solved.
Heat = expansion = overflowing fuel tank.
Thanks, I understand the concept. Unfortunately I haven't had the chance to fix/replace my sending unit so my gas gauge doesn't work (thus I like to keep the tank full). Most of the automatic shutoff gas stations around here will overfill the tank unless I seal the cap with a rag around the gas nozzle (which I do, every time). I'd love to be able to 'hear' when the tank is full and not rely on the nozzle, but with the traffic around our gas stations in town that's not possible. Just looking for some tips to help out. Possibly rigging up a 1 gal gas can in the trunk to collect from the vent line would work, but the last thing I want is a trunk full of gas fumes. 
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Re: Gas overflowing out of vent tube & gas cap!
[Re: Mass_Mopar]
#315306
05/11/09 09:15 PM
05/11/09 09:15 PM
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Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
In_The_Pink
master
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master
Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
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Quote:
I haven't had the chance to fix/replace my sending unit so my gas gauge doesn't work
I hate to state the obvious, but fixing the fuel gauge should be your first move IMO. Besides, you'll want to get the fuel level in the tank low enough so that fuel doesn't splash out when you remove the sending unit. 
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