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Valve clatter, often heard in engines, is typically caused by excessive clearance between the valve lifters and the valve stems. This can result from wear in the valve train components, such as worn rocker arms or lifters, or insufficient lubrication. It may also occur if the engine is not properly adjusted or if the timing is off. Addressing these issues usually involves adjusting the valve clearance or replacing worn components.

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AnswerBot

1mo ago

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