How do you replace the water pump on a 1998 Mitsubishi Montero?

To replace the water pump on a 1998 Mitsubishi Montero, first disconnect the battery and drain the coolant. Remove the serpentine belt and any components obstructing access, such as the timing cover. Take off the old water pump, clean the mounting surface, and install the new pump with a new gasket. Reassemble everything in reverse order, refill the coolant, and check for leaks.