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Gas fumes question..

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Old Jul 13, 2010 | 08:38 AM
  #1  
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'04 F-350 6.0
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Gas fumes question..

I have a '04 f-350 with the 6.0. I have started smelling gas fumes from the engine compartment coming through my AC vents.
The motor has 135,000 miles on it, has anyone else experienced this?

Appreciate your help and answers.
 

Last edited by SteelerSal; Jul 13, 2010 at 08:40 AM. Reason: spelling
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Old Jul 13, 2010 | 09:49 AM
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sounds like a manifold leak of some sort
 
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Old Jul 13, 2010 | 10:08 AM
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Originally Posted by buckinut
sounds like a manifold leak of some sort
Could that be intermittent? The gas fume smell is not constant.
 
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Old Jul 13, 2010 | 10:33 AM
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it prolly gets a stronger smell after the motor gets a little bit warmer, which casues the motor to get alittle bit stronger, and push more fumes out, if its not an manifold leak, its an exhaust leak of some sort, have you done any motor mods or after market exhaust systems?
 
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Old Jul 13, 2010 | 10:45 AM
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Got a gas smell in a diesel? Well there's your problem! Lol
Seriously though, if it is coming from the engine bay area you need to have it checked out asap. Fuel leaks in the engine bay can cause a fire, and the fumes can cause you to pass out behind the wheel. This one does not need to be neglected.
 
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Old Jul 13, 2010 | 10:48 AM
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Thank you!
 
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Old Jul 13, 2010 | 10:51 AM
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you could probably even hear the exhaust leak, start your truck, get out and listen for like a ringing sound or an high pitched sound, both could narrow it down to the leak
 
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Old Jul 13, 2010 | 11:17 AM
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Originally Posted by buckinut
you could probably even hear the exhaust leak, start your truck, get out and listen for like a ringing sound or an high pitched sound, both could narrow it down to the leak
I'll do that after work....I'm hoping it's nothing to major. This just started today on my way to work.
All in all the truck has been reliable, bought it new in '04.
 
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Old Jul 13, 2010 | 11:22 AM
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yea, exhaust leaks are more hazardus for you rather than your truck, could just need an manifold gasket, just labor would kill ya if done at dealer
 
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Old Jul 14, 2010 | 06:35 PM
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I found out what the smell was. It was oil blowing out of the oil filter housing due to a worn out gasket on the screw cap. I replaced it and cleaned up the oil and it's all good now.....I lucked out on this one.

Thanks to the folks who replied.
 
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Old Jul 15, 2010 | 01:30 PM
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Wow, you really lucked out.... but wouldnt ever really think that would happen at 135k miles, but lucky enough for you tho
 
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Old Jul 15, 2010 | 07:21 PM
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On a 6.0, you should be getting a new o-ring with every new oil filter, which you should be changing every 5000 miles.
 
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