Second generation (2003–2006)

The Navigator was updated in 2003, along with the Ford Expedition, on the new Ford U platform. The interior was also substantially revised to bring it up to the level expected by luxury buyers. Some ingenious features debuted with this redesign, including power-deployable running boards that deploy when a side door is opened, a power liftgate, and a power folding third row seat.
Tire-pressure monitoring was made standard for 2004, with Roll Stability Control an option, and the mid-level Premium trim line was deleted. Along with a light facelift the powertrain was revised for 2005, with the DOHC 5.4 L V8 being replaced by a new SOHC 3-valve design borrowed from the F-150, driving the wheels through a new ZF Friedrichshafen AG-sourced 6-speed automatic transmission. The stability system was now standard on all models. An Elite package for the Ultimate trim includes a THX audio system, rear-seat entertainment, and HID headlights for 2006, the last year of this generation.
See also:
Front safety belt energy management retractors
The front outboard safety belt energy management retractors allow
webbing to be pulled out of the retractor in a gradual and controlled
manner in response to the occupant’s forward momentum. This ...
Damage
Periodically inspect the tire treads and sidewalls for damage (such as
bulges in the tread or sidewalls, cracks in the tread groove and
separation in the tread or sidewall). If damage is observed ...
Highway Hazards
No matter how carefully you drive there’s always the possibility that you
may eventually have a flat tire on the highway. Drive slowly to the
closest safe area out of traffic. This may further dam ...
