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 Corsica Leaking Water Pump May Cause Coolant Loss and Overheating
Chevrolet Corsica Problem
Engines Affected: 2.2L 4 Cylinder, 3.1L V6
Average Mileage: 164,000 mi (100,000 mi - 215,000 mi)
Visitor, 1996 Chevrolet Corsica, 2.2L 4 Cylinder, 100,000 mi
Had the same problem, car was over heating, changed the water pump and problem went away.