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Old Aug 25, 2005 | 08:10 PM
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Gas Smell

Hello! My '78 Ford F-150 truck smells of gasoline even after it's been sitting in my driveway for hours. I can't park in my attached garage because it makes my house smell like gas.

What can I do to eliminate the gas smell?
 
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Old Aug 25, 2005 | 08:14 PM
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Thread moved to 73-79 Forum.

-Matt
 
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Old Aug 25, 2005 | 08:33 PM
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Could it be possibly leaking Gas?
 
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Old Aug 25, 2005 | 08:37 PM
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Leaking gas?

I should have mentioned that . . . No, it's not leaking gas out onto the ground. It is my assumption that gas is leaking somewhere, but I can't seem to figure out where. I don't see any gas leaking around the carb or near the gas tank.

Has anyone else had this problem and was able to fix it?
 
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Old Aug 25, 2005 | 08:39 PM
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Bad seal on gas cap?

-Matt
 
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Old Aug 25, 2005 | 09:11 PM
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or probably vapor leaks from your system lines..
 
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Old Aug 26, 2005 | 11:31 AM
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Look down the carb see if it is leaking down if you can see gas there is a problem!
Glenn
 
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Old Aug 26, 2005 | 01:19 PM
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Where's your gas tank, behind the seat or under box? Is the smeel so string that you can't determine if it's coming from the front or rear of the vehicle?

Mike
 
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Old Aug 27, 2005 | 02:12 AM
  #9  
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If the lines from the charcoal cannister have been removed the gas smell might be from the vapor recovery cannister. There is a line from the cannister to the air cleaner that draws fresh air thru the charcoal which pulls off the vapor. Without that line the fuel vapor from the tank will saturate the charcoal and you will not see a leak but it will smell like gas around your truck.
 
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Old Aug 27, 2005 | 07:51 PM
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These tanks start rusting at the straps.
 
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Old Aug 28, 2005 | 07:50 PM
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Does it do this on cool days or just Hot Days ?

Does it only do it when the tank (s) are full or less than full ?
 
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Old Aug 29, 2005 | 11:15 AM
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Hot or cold!

I've only had it for 2 months, so I haven't experienced the smell on a cold day. However, it stinks at 100 degrees and 65 degrees and all points in between. Further, it stinks on both full and rather empty tanks of gas.
 
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Old Aug 29, 2005 | 11:16 AM
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The gas tank is in the very rear of the truck (above the spare underneath).
 
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Old Aug 29, 2005 | 12:44 PM
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One thing to do would be to drop the tank and replace all the rubber fuel line from the tank to the carb. Including the filler tube. It should probably be done anyway and while it may not eliminate the problem, it will eliminate one cause and you can continue troubleshooting.
 
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Old Aug 29, 2005 | 07:04 PM
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On my truck I had that gas smell for a few weeks before the rubber line between the tank and the hard metalline on the frame gave way after 28 years
 
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