Why did my car overheat while at a light?



This could have occurred due to a faulty fan clutch. If it is hot outside and your vehicle is stopped or moving slowly your engine fan is set to come on a specific temperature. If this does not happen then it can cause your engine to overheat. The fan pulls air through your radiator at slow speeds or at a stop. This air flows air over your engine and helps the cooling system to keep things at the correct temperature. Your fan has a clutch and when it gets worn out it may not engage properly, and this will cause the fan to not work. Newer vehicles may have an one or more electric fans. These do the same job but are controlled by the computer. When they stop working it could be one of several electrical components that control them.

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Happy Adventures,

Heather