How do you replace the water pump on a 2001 Ford Explorer Sport Trac?

To replace the water pump on a 2001 Ford Explorer Sport Trac, first, disconnect the negative battery terminal and drain the coolant. Remove the serpentine belt and any components obstructing access to the water pump, such as the fan, radiator hoses, and timing cover, if necessary. Unbolt the water pump, clean the mating surface, and install the new pump with a new gasket. Finally, reassemble everything in reverse order, refill the cooling system with coolant, and check for leaks.