2004 Chevrolet Monte Carlo Logo
Posted on Nov 10, 2010
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My 2002 monte carlo is overheating on city streets but runs fine on the highway.

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  • Posted on Nov 10, 2010
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Hello June.
In behind the radiator there is an electric fan designed to come on when the coolant reaches a certain temperature.
At low speeds such as in traffic there is little airflow through the rad, but at highway speed it greatly increases the airflow.
So I suspect that the fan isn't working on your car.
This could be a bad fan motor, a bad fuse, a bad sensor or a wiring problem.
Also check that something hasn't fallen into the fan and jammed it up.

Thank you for using FixYa.

KL

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