The Lincoln Navigator is one of the very few full-size SUVs engineered with an independent multilink rear suspension (IRS) system that enables each wheel to negotiate bumps and jolts on its own terms, providing ride quality and control.
Superior ride and handling aren't the only benefits. The Navigator IRS features our patented “porthole-in-frame” design, in which steel halfshafts pass through elliptical portholes in the frame. This design allows for a lower and fully flat load floor, increased passenger and cargo volume, a lower rear ride height for enhanced aerodynamics, plus a lower step-in height to help make getting in and out easy....less
Available electric power-assisted steering61 is an important component in the Lincoln Drive Control system. EPAS provides an easy, fluid steering feel at low speeds and a firmer, more controlled feel at higher speeds. And that’s not all. It also constantly adapts to changing road conditions and compensates for irregularities caused by factors such as a crowned road surface and crosswinds. You won’t feel the system working, but you’ll experience a pleasant sense of assurance.
4.10 Rear Axle
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