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

gas leak

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Old Jul 15, 2008 | 10:01 AM
  #1  
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cooploops
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gas leak

1985 ext cab longbed f150 IL6 4wd 4 sp std

when I fill the tank or close to fill it, theres a really severe gas leak, looks like I lose anywhere from a half gallon or so....
Ive been told its either a plug valve or the O ring for the sending unit?
tank was a fairly new instalation.
could these be correct, and is this something Id be better off removing the bed to fix?
 
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Old Jul 16, 2008 | 08:55 AM
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anyone please?
 
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Old Jul 16, 2008 | 09:18 AM
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It could be the sending unit or the evap. cannister feed line, both on the top of the tank. You could have a crack in the tank as well. The only way you can check is to drop the tank and get a look at the top. It will be easier to drop the tank rather than lift the bed althought some people do that.
 
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Old Jul 16, 2008 | 05:01 PM
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It would be real simple to just not fill it 'clear up', don't ya' think? Especially with fuel prices so high
 
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Old Jul 16, 2008 | 05:22 PM
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I prefer taking the bed off so you can have access with everything hooked up and driveable. It's a PITA either way.
 
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