How do you replace a water pump on a 05 pacifica 3.5?

To replace the water pump on a 2005 Chrysler Pacifica with a 3.5L engine, start by disconnecting the battery and draining the coolant. Remove the serpentine belt and the timing belt cover to access the water pump. Unbolt the water pump from the engine, clean the mounting surface, and install the new pump with a new gasket. Finally, reassemble the components, refill the coolant, and reconnect the battery.