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Possible culprits: Faulty water pump; clogged radiator; faulty radiator fan; faulty radiator fan sensor switch. Possible way to locate problem: Raise hood and start the car; watch for fan to start when engine warms. If no start, problem lies with fan or sensor switch. After car cools down, hotwire fan to see if it runs, if not, replace fam n=motor; if yes, replace sensor switch.

If the fan kicks on and still overheats and blows coolant into the overflow reservoir, you may have a bad radiator cap.

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12y ago

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