Vibration/humming

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Aug 6, 2006 | 05:36 PM

IowaTower

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Joined: Sep 2004

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Vibration/humming

'79 150 4x4, C6, 351M. I took my truck out on the interstate this afternoon, first time in quite a while, and I noticed an all-over vibration and humming starting at 65mph, getting worse with speed. It doesn't exist, that I can tell, below 65.

What could be causing this?

Aug 7, 2006 | 10:14 AM

DustinDLamb

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Joined: Feb 2005

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Have you checked your U-Joints yet. Or it could be a rear end. I would start by doing just a good all around inspection.

Aug 7, 2006 | 10:45 AM

Purely Ford

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Joined: Feb 2002

Posts: 987

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From: East Bend, Carolina, U.S

You might have an axle or wheel bearing problem. I would raise each wheel and check them carefully. A carrier bearing might also be the culprit, so look there too.

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