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If the smoke is by your valve covers, chances are that your raw water pump, not your engine water pump, has a destroyed impeller and that’s why it over heated. The small rubber pieces can get in the system and possibly make noise. THere is also metal flappers that keep water from flowing back into the engine that could be making that clatter as there wasn’t any water in them. If you have a closed cooling system (heat exchanger) this is less likely the problem. Could be an easy fix. Good luck!
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