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Old 03-24-2019, 04:28 AM   #6
2008 3500 170"ext. 3.0 V6
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Default Re: Serpentine belt wiggle on v6

I routinely look at the v6 belt operation and I'll describe it as calm. The wander u describe isn't conforming to normal. Time to put the stethoscope on the idler, tensioner pulley, etc ..

Second thought; " 1/16" - is small: .. maybe clean both sides of the belt with soapy water.
The wander may be caused by a oily dirt contamination spot on the belt.

Last edited by CJPJ; 03-24-2019 at 05:20 AM.
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