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2009 2500HD 4x4 Intermittent Clunk

By Jonesy 406
November 29, 2020 in Duramax Diesel & 8.1L Big Block

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Jonesy 406

Posted November 29, 2020

Posted November 29, 2020

In 4wd drive on ice/packed snow when off the gas, or holding slow speed downhill I get a very intermittent clunk in the front half of the truck. Possibly front axle. At first I thought it was front passenger side axle, but yesterday coming down the mountain from Christmas tree hunting it really sounded like the driver's side front axle. Any ideas how to diagnose this?

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