How do you replace the water pump housing on a 1996 Ford E-150?

To replace the water pump housing on a 1996 Ford E-150, first ensure the engine is cool and disconnect the negative battery cable. Drain the coolant and remove any components obstructing access to the water pump, such as the serpentine belt and associated pulleys. Unbolt the water pump from the engine block, clean the mating surfaces, and install the new housing with a new gasket. Reassemble the components in reverse order, refill the coolant, and start the engine to check for leaks.