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2017 Denali fluttering when accelerating. VIDEO
My 2018 Suburban was making this sound from day one. I took it in four different times and they kept telling me they didn't hear anything. I finally found these threads and printed a copy of the PIP5570A GM Bulletin and took it in along with a couple recordings of the sound. I ask them to do...- RoboSub
- Post #63
- Forum: Engine & Drivetrain
