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Most likely the piston is hitting the valve. This can cause a LOT of damage. i have a 95 turbo, and it jumped time causing the balance shaft to hit the crank. this sounded like a piston hitting a valve I would suspect a Rod Bearing.If the Piston interferes with the Valves it would barely run,, if at all.It's fixing to "sling a rod"....

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โˆ™ 2008-05-07 00:40:37
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Q: If the balance shaft broke on a 1999 Mitsubishi Eclipse would that cause the motor to sound like a piston slapping or really bad valve tap?
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