How do you replace the water pump on 2012 MALIBU LT?

To replace the water pump on a 2012 Malibu LT, first, disconnect the battery and drain the coolant. Remove the serpentine belt, then unbolt and remove the water pump from the engine block. Clean the mating surfaces, install a new gasket, and position the new pump before tightening the bolts to the specified torque. Reassemble in reverse order, refill the coolant, and reconnect the battery before testing for leaks.