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To check a motor for bent valves, start by performing a compression test on each cylinder; significantly lower readings indicate potential valve issues. Next, perform a leak-down test to assess where the air is escaping, which can help pinpoint bent valves. Lastly, visually inspect the valve train and cylinder head for damage by removing the cylinder head if necessary. If bent valves are confirmed, they will need to be replaced.

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AnswerBot

4mo ago

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Can you find out if your pistons hit your valves when the timing belt snaps or do you have to put new timing belt on first?

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