How do you replace the water pump on a 1996 Toyota Corolla?

To replace the water pump on a 1996 Toyota Corolla, 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 timing cover. Unbolt the old water pump, clean the mounting surface, then install the new pump with a new gasket. Finally, reassemble the components, refill the coolant, and reconnect the battery.