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Old 01-21-2012, 12:22 PM
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Humming from under the truck

Man, nothing but problems lately! So here is a strange one, I have noticed a strange humming noise from underneath the truck and its is pretty loud in the cab. I only really hear it while stopped or in park but as I start to move it goes away. I am wondering if it could be the tranny
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Old 01-21-2012, 12:44 PM
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Have you crawled underneath to double check? I had the sound coming from under the hood and it was the vacuum pump
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Old 01-21-2012, 01:26 PM
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Quote:
Originally Posted by bentstroke_02 View Post
Have you crawled underneath to double check? I had the sound coming from under the hood and it was the vacuum pump
I was gonna say the same thing. I currently have it buzzing away as I broke a vacuum line and havent fixed it properly yet.
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Old 01-21-2012, 01:31 PM
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ya i went to ford and they said it wont hurt anything but it is annoying
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Old 01-21-2012, 09:08 PM
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If you do all your own maintenance, have you put grease in the 2 zerk fittings at the frint axle? I had a similar sound too and went away after getting a grease gun.
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Old 01-22-2012, 11:38 AM
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he said he only hears it when he is in park or stopped so if would nogt be anything to do with the grease nipples
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Old 01-22-2012, 12:38 PM
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Fuel pump???

Mine is loud as hell and chages pitch when i am braking.
it is right under the driver door inside the frame.

Well i just realized this is a 6.4 but it might still be the same! Lol maybe not.
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Old 01-22-2012, 05:37 PM
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Quote:
Originally Posted by Clayton1985 View Post
I was gonna say the same thing. I currently have it buzzing away as I broke a vacuum line and havent fixed it properly yet.
What's the fix? I notice mine the most when I am touching the brake peddle. It vibrates through the brake pedal.

Sent from my LG-P509 using AutoGuide.Com Free
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Old 01-22-2012, 05:47 PM
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check your belt tensioner had the same noise mine was coming apart
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