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Old Mar 20, 2012 | 02:53 PM
  #1  
cementhauler's Avatar
cementhauler
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What is it?

I have a 2002 F350 dually with a V-10 and about 92000 miles on it. In the engine compartment, on top of the drivers side fender,next to the air cleaner, is a round device. It looks like it is hooked up to the fuel system. When I turn the key on this "device" makes a growl or moaning sound.
The truck runs normal,just this strange sound. Does anyone know what it's for? Is it servicable?
Thanks for any information you have. This looks like a great site.

Thanks,Steve
 
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Old Mar 20, 2012 | 03:48 PM
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I believe you're referring to the charcoal canister.

Looks like a long, cylindrical can.
 
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Old Mar 20, 2012 | 07:45 PM
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is it the ABS motor energizing by chance ???

not sure off hand as i havent lifted my SD's hood in awhile.
 
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Old Mar 20, 2012 | 08:06 PM
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Does it look like the canister in the bottom of this pic?:

 
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Old Mar 20, 2012 | 09:15 PM
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Could possibly be hearing the fuel pump running. The vent runs into the canister from the fuel tank. Believe it or not my 74' F-100 has the exact same setup, just with modern parts.
 
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Old Mar 20, 2012 | 09:21 PM
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Yes, its the canister next to the air cleaner, in front of the power steering fluid.
I'm not to sure if it's the fuel pump,I've had the truck since 2003 and this growling noise just started a short time ago.
 
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Old Mar 22, 2012 | 08:16 AM
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That canister is the evaporiate emissions control canister (or whatever you want to call it) - when you turn the key on, a solenoid opens the vent. It probably has pressure (or vacuum?) in it and when the solenoid opens, it makes noise
 
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