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hiss

Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. NUGNUG

    2018 2500 Cummins hissing/air noise

    I have a 2018 2500 Cummins with only 17k miles on it. The other day, while waiting in line for fuel, a hissing sound started out of the blue coming from the engine bay somewhere. The truck has not thrown a code. It seems to only happen when the truck is at operating temperature, I do not hear it...
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