How do you replace the water pump on a 1994 Mazda Protege?

To replace the water pump on a 1994 Mazda Protege, 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 from the engine block, clean the mating surfaces, and install the new pump with a new gasket. Reassemble everything in reverse order, refill the coolant, and check for leaks.