Chevrolet Malibu Problems

Coolant Leak & Engine Overheating on Chevrolet Malibu

Problem Description and Possible Solution

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.

(11 people reported this problem)

Chevrolet Malibu Vehicles With This Problem

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Average mileage: 145,161 (98,000–175,000)
Engines affected: 2.4L 4 Cylinder, 3.1L V6, 3.5L V6
4 model years affected: 1997, 1998, 1999, 2009
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Viewing 1-4 of 4 comments
noticed the corrosion on the water pump after loss of coolant and was buying multiple gallons of coolant weekly and could not afford to get corrected automatically and then the reservoir ended up warping and noticed my fans were not working and had not been working since i got the vehicle. so now multiple parts have to be replaced including coolant system piping which is warped. most fuses were not put in correctly and was missing a complete maxe fuse and also think no change in tranny fluid may have an issue with the engine overheating
coolant in engine oil. could a defective water pump or water pump gasket cause this problem
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.
Water light stays on. Car overheats. Mechanic diagnosed the problem as the water pump.