help. need advise on rumble sound

  1. R

    2022 2500 heavy duty turbo diesel acoustic rumble

    Took our 2022 home, beautiful truck, beautiful ride. We have one issue There is a random deep thumping rumbling noise that comes and goes. Sounds like from the back seat. At first we thought it was coming from the subwoofer under the seat but you can turn the radio off it does not matter. It...

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