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2021 Yukon Denali hard shift in Auto
I own a '21 Yukon Denali with 50k miles. We just bought it about a month ago. All is fine until I place it in Auto mode. It hard shifts 1-2, 2-3, and 3-4. It is like a thunk and is clearly felt and audible. I tried each of the other modes, 2WD, and 4WD. This issue is not present in either of...- Nautilus571
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- Replies: 7
- Forum: Engine & Drivetrain
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2017 Yukon XL 6.2 CAI
So, we are a two Danali family. I have a 2019 Sierra Denali with the 6.2, Borla catback, and a CAI brand CAI. The difference between the factory air box and the cai is phenomenal in not only the sound, but performance and MPG as well. Pushing 440hp or more. Gained almost 2 mpg on average. My...- Nautilus571
- Post #14
- Forum: Engine & Drivetrain
