How do you replace water pump on a 1999 Ford Laser kn series?

To replace the water pump on a 1999 Ford Laser KN series, first, disconnect the negative battery terminal and drain the coolant from the radiator. Remove the drive belt and any components obstructing access to the water pump, such as the timing cover if necessary. Unbolt the old water pump, clean the mounting surface, then install the new pump with a new gasket, reassemble everything in reverse order, and refill the coolant. Finally, reconnect the battery and check for leaks.