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Humming noise

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Old Apr 22, 2011 | 09:44 PM
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horser72
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From: Louisiana
Humming noise

Anyone can help me out with this, my truck started making a loud hummimg noise, louder than tire hum, coming from somewhere in the front end ( sounds like anyway). It seems to be very noticable at around 45mph and faster, also seems to quiet down/stop when a making a long sweeping left turn, and also when i left off the gas. My first thought was it was the drivers side bearing, changed that and it seems to still be there.
My truck is a '04 4x4 with 115,000., never had any problems to speak of before and plan on keeping it. Ive read about the transfer case and wondering if that could be it, or maybe the driveshaft u-joints, although they appeared to look good.
Please help, dont want to keep driving and something big breaks down.
 

Last edited by horser72; Apr 23, 2011 at 02:04 PM. Reason: New info
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Old Apr 23, 2011 | 02:07 PM
  #2  
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horser72
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From: Louisiana
Oh, havent changed transfer case oil, what kind is required/recommended?
 
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