Overheats

What is your question?

My car was involved in a hit and run and has been overheating ever since. Water punp and thermostat have been replaced

What makes this problem better or worse?

Problem is worse when I try and drive it. Can't go a block and it shoots to the red mark.

How long has your 2007 Chevrolet Malibu had this problem?

Over a year

Visitor

in Marion IA

·

Mar 18, 2025

·

1 Reply

Popular Answer
DaveJMon Mar 18, 2025

Hello, Dave here, contributing to RepairPal and providing expert advice since 2010. For overheating - your cooling system consists of a thermostat which opens and closes to regulate optimal engine temperature, a cooling fan that aids in air flow when not driving down the road, blowing air through the radiator to cool the coolant, and a water pump that circulates the coolant through the cooling system. There is a radiator, an expansion tank, a heater core, hoses and sometimes a check valve. These are the main components. Something isn’t working properly. The thermostat may be sticking closed, never allowing coolant to flow through the engine as it gets hot. The cooling fans may not turn on. The water pump may not circulate coolant. Testing of the system is required to find out what is going on. You could also have an internal engine coolant leak causing issues with overheating. I would elimiate all other areas of concern first before going down this road. Is your cooling fan working? Does it turn on? Certainly, reach out to a shop near you for guidance. https://repairpal.com/auto-repair-near-me Click the link or call us at 877-913-1554. We'll gladly find you a certified RepairPal shop in your area.

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