A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.Google+
Car Problem Reports
Chevrolet Malibu Leaking Water Pump May Cause Coolant Loss and Overheating
Chevrolet Malibu Problem
Engine Affected: 3.5L V6
Visitor, 2009 Chevrolet Malibu, 3.5L V6, 98,000 mi
we had coolant leak and they said it was the water pump and replaced it. now it is leaking again and they have pressured tested it and it shows no problem but I just found fluid on the ground.