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3RZ Rattle when hot and at low RPMs

Discussion in '1st Gen. Tacomas (1995-2004)' started by 4banga, Oct 20, 2019.

  1. Oct 20, 2019 at 11:11 AM
    #1
    4banga

    #1
    4banga [OP] Semi-evolved monkey

    Joined:
    Oct 23, 2017
    Member:
    #233912
    Messages:
    96
    Gender:
    Male
    Colorado
    Vehicle:
    98 3RZ SC 4WD
    LCE headers & cat-back, Bilstein 5100s & AAL, LR UCA's, CVJ axles
    Hey y'all.

    Curious what your thoughts are about this rattle. It's only evident at low RPM's and when the engine is warmed up. Once it goes above around 700 RPMS the noise disappears. I just checked all the valve clearances and they're all perfectly in spec. The truck runs great, just a bit confused about the sound. Do you think it could be timing chain rattle?

    Here is a video if the noise. It's intermittent, but noticeable at low RPM idle.

    https://www.youtube.com/watch?time_continue=44&v=2qACgmTT8aU
     
    4banga, Oct 20, 2019
    #1

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