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Humming noise when tightly turning steering wheel, only during cold start and go?
Just took my 2021 Yukon SLT 4WD 39,000K miles in for this issue. The dealership had to replace the differential axle lubricant three times to fix the noise issue. It was in the shop overnight, and covered under powertrain warranty and Bulletin #21-NA-028 seems to be running smoothly now but...- YukonATL21
- Post #58
- Forum: Engine & Drivetrain
