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I just bought a brand new 2023 LTZ Z71 Duramax LZ0. $65,000 truck and the clunking is driving me absolutely insane! Mine happens primarily when I’m entering a driveway, turning in and approaching or coming out of an incline. Sometimes it sounds like I’m getting clunking from the front and the rear. It just spent an entire week at the dealership, no loaner car, they said they used audio mics, and that it was coming from where the driveshaft enters the rear end. I can’t stand this, and might be trading it. Please keep this thread alive if anyone comes up with anything. I would love to fix it myself, if I could…