The knocking occurs whether moving left or right but not when braking. The knocking is in the rear driver tire and occurs at that tire no matter whether you’re going left or right slow or fast. I feel there is some type of spline connection that is slipping creating the knocking. The knocking is loud and sounds as if your striking the tub. Don’t know what may be involved. Looking for some advice or a known dealer repair shop near Buffalo NY. THANKS DonnyZ