Purebred_mutt Posted October 24, 2022 Share Posted October 24, 2022 2020 2500 HD Z71 LTZ, 68,*** miles. When I put my truck in 4WD Auto the front axle knuckles chatter when turn like I am in 4WD Hi. Dry pavement, loose rock it doesn't matter. this did not happen with my 09 Z71 or my 16 Z71, dealer is trying to tell that is how it is supposed to work. Quote Link to comment Share on other sites More sharing options...
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