How do you remove gas tank 2003 Lincoln Navigator?

To remove the gas tank from a 2003 Lincoln Navigator, first, ensure the vehicle is safely elevated and secured. Disconnect the negative battery cable, then relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls. Next, disconnect the fuel lines and electrical connections from the fuel pump, then support the tank with a jack, remove the straps or bolts securing it, and carefully lower the tank to remove it completely. Be cautious of any residual fuel and ensure proper disposal of old fuel.