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Duramax rattle/vibration when accelerating, sounds like it's coming from exterior
I've got a vibration that's associated with the engine that I only hear when accelerating at low speeds and certain low engine RPMs. It sounds like it's coming from the right side of the vehicle, either underneath or at the back of the engine compartment. Today I also started to hear it under...- chrisbusnut
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- Replies: 5
- Forum: 3.0L Duramax Diesel Discussion
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2024 Duramax/Air suspension malfunction?
I have a 2024 Yukon Denali with the Reserve Package, which includes air suspension. I've noticed that when I park overnight, the front air shocks seem to deflate, causing the vehicle to sit low in the front (but normal in the rear). I checked and do not have the setting engaged that lowers the...- chrisbusnut
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- Replies: 26
- Forum: 3.0L Duramax Diesel Discussion
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Strange exhaust-like vibration noise traced by dealer to transfer case.?.
So I have had this strange vibration/buzzing like noise coming from what sounds like the rear underside of the vehicle. It happens when accelerating from low speeds as the RPMs get to about 2200, usually shifting from 2nd to 3rd gear. The noise sounds like part of the exhaust vibrating on a...- chrisbusnut
- Thread
- Replies: 5
- Forum: Engine & Drivetrain
