How do you replace the water pump on a 2004 Chrysler Pacifica?

To replace the water pump on a 2004 Chrysler Pacifica, first, disconnect the negative battery cable and drain the coolant from the radiator. Remove the serpentine belt and any components obstructing access to the water pump, such as the timing cover. Unbolt the old water pump, clean the mating surface, and install the new pump with a new gasket. Finally, reassemble all components, refill the coolant, and reconnect the battery.