How do you replace the water pump on a 1998 Buick Skylark 3100?

To replace the water pump on a 1998 Buick Skylark with a 3100 engine, start by disconnecting the negative battery cable and draining the coolant. Remove the serpentine belt, then detach any components obstructing access to the water pump, such as the alternator or Power Steering pump. Unbolt the water pump from the engine, clean the mating surfaces, and install the new pump with a new gasket. Finally, reassemble everything, refill the coolant, and reconnect the battery.