How do you change a water pump on 1997 Buick Riviera?

To change the water pump on a 1997 Buick Riviera, first ensure the engine is cool and disconnect the battery. Remove the serpentine belt, then drain the coolant and detach any hoses connected to the water pump. Unbolt the water pump from the engine, clean the mounting surface, and install the new pump with a new gasket. Reassemble by reconnecting the hoses, replacing the serpentine belt, filling the coolant, and reconnecting the battery.