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Those are the lifters that are making the noise. It won't hurt the car, it's just annoying. Mine does it.

Yo Can just seafoam it, alot of times its actually a build up of carbon in the valves and combustion chamber, and the noise just gets echoed by the lifters and valvetrain other parts. just be very careful with the seafoam if you do it wrong and suck in too much you can hydro lock your motor(liquids dont compress so it would be like trying to close a door with a person standin in the way, something is gonna break)

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โˆ™ 2008-08-31 01:31:29
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Q: Why does a 1993 Honda Civic have a tapping noise coming from the engine only when it is cold?
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