Fuel filter

Your vehicle is equipped with a lifetime fuel filter that is integrated with the fuel tank. Regular maintenance or replacement is not needed.
See also:
Severe climates
If you drive in extremely cold climates:
• It may be necessary to increase the coolant concentration
above 50%.
• NEVER increase the coolant concentration above 60%.
• A coolant concentration o ...
Maintenance product specifications and capacities
Approximate dry fill capacity. Actual amount may vary during fluid changes.
Automatic transmissions that require MERCON LV should only use MERCON LV fluid.
Refer to
scheduled maintenanc ...
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. So ...
