Duramax Diesels Forum Truck of the Week
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Old 12-24-2017, 09:23 PM
Mr Dawg Mr Dawg is offline
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Default Front End Noise and Vibration

I have a 2009 CCLB 3500 dually. I'm getting a humming sound like I have mud tires at all speeds. IDK if it's related but I also sometimes get a vibration in the steering wheel around 55. The hum goes away if I turn the wheel an 1/8 turn to the left or if I go over a bump and the suspension unloads. Both hubs have been replaced within the last year and the sound has been there before and after. I took a quick look at the CV boots but didn't see any noticeable tears or grease but now I'm thinking maybe they may still be the cause. Anything else I should be looking at?
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2009 Sierra 3500HD CC/LB Dually

Last edited by Mr Dawg; 12-24-2017 at 09:42 PM.
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Old 12-26-2017, 11:46 AM
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black00chev black00chev is offline
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If the hubs are still truly good then I would start looking further into the CV shafts or maybe the outter front diff bearings.
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Old 12-27-2017, 04:23 PM
Mr Dawg Mr Dawg is offline
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Thatís what Iím thinking. One day this week Iíll brace the cold and take a look at them
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