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2000 3.4L Valve train clatter/tapping noise?

Discussion in '3rd Gen 4Runners (1996-2002)' started by TacomaZach23, Feb 8, 2023.

  1. Feb 8, 2023 at 10:35 PM
    #1
    TacomaZach23

    #1
    TacomaZach23 [OP] New Member

    Joined:
    Nov 18, 2020
    Member:
    #17977
    Messages:
    14
    Gender:
    Male
    Hi all,

    While checking for leaks on my new trans cooler install, I noticed a bit of a clattering noise on the driver side of my valve cover. Any idea what this might be? It only happens after the vehicle is at normal operating temp and at idle. Goes away or gets drowned out by engine noise when revved.

    Video: https://youtube.com/shorts/iSdI8kjxAFg?feature=share

    Vehicle has 175k miles on it.
     
    TacomaZach23, Feb 8, 2023
    #1
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