How do you change a water pump on 2000 Pontiac Grand Prix se?

To change the water pump on a 2000 Pontiac Grand Prix SE, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the serpentine belt and any components obstructing access to the water pump, such as the alternator or engine cover. Unbolt the water pump from the engine block, clean the mounting surface, and install the new pump with a new gasket. Reassemble the components, refill the coolant, and reconnect the battery.