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front dif pblm 1999 k1500

Discussion in 'Chevy C/K Truck Forum' started by bonds007, Mar 27, 2013.

  1. bonds007

    bonds007 New Member

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    I had axle bearing go out , changed dif with a known good one and first time I used 4wd it did same thing...any ideas as to cause? thanks
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  2. Pikey

    Pikey Moderator

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    are you sure that it is the front diff and not the t-case, u-joints, or CV shaft? My warranty company put a new front diff in my truck because they thought it was bad. It turned out to be a bad t-case. They replaced that also. You can always pull the front drive shaft, put it in 4x4 and see if the noise is still there.
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