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Thread: SR20: Alarming buzzing sound @ 3k rpm

  1. #1
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    SR20: Alarming buzzing sound @ 3k rpm

    So as the title says I got an alarming buzzing sound at around 3k rpm which I don't know the reason for. The engine also tends to hesitate going over 3k at slow and steady throttle, which might be unrelated.
    The noise first came when I first took off the valve cover, rotated the cams to get to TDC with crank and cams to check some stuff, and then just put it back togheter. I took the cover off again to remove the chain guide, and at very first the sound was gone, but then it came back.

    Link to a video from my engine: https://www.youtube.com/watch?v=ENqmT-PQR-E

    Could this eventually be a problem related to valve cover not being tightly on enough, or something else entirely?

    Thanks in advance

  2. #2
    living on the edge p.nicholas's Avatar
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    Sounds more exhaust gasket related to me

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    You could convince me either way. Thanks for the reply. I'll check more into it soon

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