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A bad harmonic balancer can cause a knocking noise. The harmonic balancer doesn't actually produce the noise, but it can cause the noise in the engine.

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Q: Can a bad harmonic balancer make a knocking noise?
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Why does your harmonic balancer make noise?

It shouldn't make noise. If it does, replace it!


If the rubber gasket on the harmonic balancer is ripped up will this cause a bad knocking noise How do you replace it if need be?

Hard to say. However, if the "rubber gasket" you're talking about is the center bushing on your harmonic balancer, that could throw your Harmonic balancer out of balance. This could easily make it shake to beat the band which in turn could be the knocking noise you're hearing. I suggest you get it looked at immediatly. If that is what happened, your engine won't survive long.


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Can a bad harmonic balancer make an intermittent squealing noise you have replaced all tensioner and idler pulleys but it still makes this noise with the belt removed?

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What would make a 97 park ave make a knocking noise when you start it?

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What could the problem be if a 1992 Pontiac Bonneville is making a loud knocking rattle noise but it is not smoking and still runs smooth?

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