How do you replace a water pump on a 1996 Cadillac Seville?

To replace the water pump on a 1996 Cadillac Seville, first, disconnect the negative battery cable and drain the coolant from the radiator. Remove any necessary components like the serpentine belt, and then detach the water pump by unbolting it from the engine block. Clean the mating surfaces, install a new water pump with a new gasket, reassemble everything, refill the coolant, and reconnect the battery. Always consult a repair manual for specific torque specifications and additional details.