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crosslakejohn

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  • Name
    crosslakejohn
  • Location
    CROSSLAKE
  • Interests
    stochastic calculus applied to understanding the behavior of women
  • Drives
    2020 gmc 2500hd denali

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  1. yeah but that GM document on belts/pulleys might help someone, so I posted it. It's not as if GM is on these forums providing concrete course of action for owners with noisy trucks or even basic info. That photo displays the source of the thump at idle on my new truck. I had to check twice, but you are correct!!! No belts nearby.
  2. see attached file; released by GM mid feb 2020 gmc 2020 duramax belt rumble.pdf
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