How do you repair a front seal leak on a 1998 ford expedition?

To repair a front seal leak on a 1998 Ford Expedition, first, ensure the vehicle is safely elevated and supported. Remove the drive belts, then detach the crankshaft pulley and timing cover to access the front seal. Replace the old seal with a new one, applying a light coat of oil to the seal before installation, and reassemble all components in the reverse order. Ensure the system is properly sealed to prevent future leaks.