A couple days ago I put my 2018 in 4hi for the first time as the roads were a little snowy/icy. When I park (or any slow, hard turn) it makes a significant “groaning” noise and sputters...stop/go/stop/go. This happens every time, all directions- forward, reverse, left, right. I happened to be stopping by the dealer to pick up a part and mentioned it to the service rep. He said this is totally normal for Titans and if anything g was wrong with the diff the dash would light up. Anyone else experience this?