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post #1 of 9 Old 01-21-2012, 12:22 PM Thread Starter
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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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post #2 of 9 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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post #3 of 9 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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post #4 of 9 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

Jeremiah


Horsepower is like sex, once you get it you can't get enough of it

2008 6.4 with 200k and counting

5" FLO-PRO exhaust W/6" tip
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post #5 of 9 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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post #6 of 9 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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post #7 of 9 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.

Lee

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post #8 of 9 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.

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post #9 of 9 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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