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atc1989

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  1. I've read this entire thread and have some things to add. Hopefully they help. -I used to own a 2013 Tahoe LT. There was a constant vibration at higher speeds in that truck. GM refused to admit there was a problem and I subsequently sold it. It felt like a driveline vibration. My thought is that vibration still exists in the new platform, and is subsequently causing the buffeting sound. -Second, is anyone with the Z71 or Trailering package experiencing the buffeting or vibration? I wonder if the different gear ratio on those packages helps or eliminates the buffeting/vibration. -Adam
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