what would cause a car to overheat after until take thermostat out
80

Asked by pat Oct 30, 2023 at 04:20 PM about the 2002 Chevrolet Cavalier Sedan FWD

Question type: Maintenance & Repair

What would cause a 2002 cavalier to overheat until take
thermostat out? thermostat in gets hot thermostat was brand
new

4 Answers
307,225

Gene answered 5 months ago

Did you test the new thermostat? Just cause it’s new doesn’t mean you good. You should also flow test the radiator, it could be a combination of the two causing the overheat.

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155,195

james answered 5 months ago

Maybe you got a defective thermostat, unfortunately it happens sometimes. Or maybe you put the thermostat in upside down. Or maybe you didn't bleed the air out of the cooling system. Hope that helps! Jim

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202,315

Ed92626 answered 5 months ago

If the engine overheats with the thermostat in, but not when it's out, you simply have a defective thermostat that needs to be replaced. If this is a new thermostat, it's likely you are installing it backward. They have a flow direction.

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