Old Tahoe wheels will rub on brake caliper since it is a different design. Since GM went to fixed design where pistons on both sides. The side by the wheel has extra boss sticking out. Old design was a sliding caliper. New one is not.
My Yukon was built June 2020 and at first it had a high idle when hot. Rough idle was not often. Now that I have 13700 miles. New engines do not idle smooth because of have to run lean at idle. Change your oil early first few times. I did my first 3000 miles and second with 4000 miles
I got the notice for mine. Not GM only it happens to all of them. Nobody is perfect. I love my Yukon. Every first year model vehicle has issues to work out.
I have almost 11,000 miles on mine no problems with engine. Mine was one of the first ones built. Have had it for a year now. Run premium in my 6.2 and might get flamed but doing my 4th oil change. It runs smooth and want to keep it that way. I would have kept it.
My Yukon was out of alignment. Drivers front tire feathered edge. GM did not cover alignment. When I got it back. It still was not right. Turns out the alignment rack had an issue. Second time it was correct and dealer did not charge second time.
Any new model vehicle will have issues. No matter what brand it is or how much you paid for it. Every first year model vehicle I have had has bugs to work out. I love my 2021 Yukon Denali
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