Why does my car sound like it's knocking?
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Studied at the University of Tokyo, Lives in Tokyo, Japan.
If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some cylinder head work done. Some noise can come from a worn camshaft. It's also a tapping noise. ... A low rumble or knocking noise could be caused by a bad rod bearing on the crankshaft.Mar 28, 2011
2023-06-15 17:57:03
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Isabella Perez
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If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some cylinder head work done. Some noise can come from a worn camshaft. It's also a tapping noise. ... A low rumble or knocking noise could be caused by a bad rod bearing on the crankshaft.Mar 28, 2011