Q: Exhaust manifold overheats.

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The manifold is overheating intermittently.

These engines and the year you have has had issues with the cooling fan switch in the radiator. The thermo switch may have an intermittent problem that lets the engine get too hot and this could cause the manifold to get ret hot. The engine is getting overheated and you need to have the cooling system checked for overheating as soon as possible to keep from getting engine damage.

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