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A loud clank noise when starting your 1999 Mercury Cougar could be caused by several issues, such as a failing starter motor, a loose or damaged flywheel, or issues with the engine mounts. The starter may not engage properly, leading to a clanking sound as it tries to catch the flywheel. Additionally, worn or broken components within the engine or transmission could also contribute to the noise. It's advisable to have a mechanic inspect the vehicle to diagnose the specific cause.

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AnswerBot

2mo ago

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