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weird rattle type noise coming from rear of engine bay

Discussion in 'General Tech and Maintenance' started by RobFour1Four, Jun 24, 2010.

  1. RobFour1Four

    RobFour1Four New Member

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    here a video. i could never pin point where this sound is coming from but its loudest on the intake side of the engine. doesnt really sound like it coming from the bottom of the block but it sounds like it could be a ball bearing rattle.

    YouTube - Ball Bearing type rattle rear honda engine bay
     
  2. TurboMirage

    TurboMirage YEEAAAHHH VIP

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    check your exhaust heat shields and catalytic converter shield.
     
  3. Jared759

    Jared759 Well-Known Member VIP

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    Have you replaced the timing belt tensioner?
     
  4. danny shy

    danny shy New Member

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    sounds like loose lifter
     
  5. RobFour1Four

    RobFour1Four New Member

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    its not the heat shields. i goes with the rpms it seems. i have no replaced the tensioner.. i thought it was that too but it seems like alot of noise near the intake mani. there is 1 stock gsr lifter and 7 itr lifters or "lma's". but idk if thats the sound
     
  6. K2e2vin

    K2e2vin Senior Member

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    I can hear the valvetrain so I doubt it's that. I'm thinking maybe loose hardware somewhere? I suggest using a stethoscope if you can.

    Also, just thought of this; maybe the IACV cycling?
     
  7. RobFour1Four

    RobFour1Four New Member

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    ya i thought it could be the iacv too. ill listen closely next time i listen
     
  8. Matts96HB

    Matts96HB . Moderator VIP

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    my car makes a noise similar to this, and im scared to drive it because of it. i cant figure out what it is.. ive replaced timing belt, tensioner, etc. not sure..

    yours sounds a little different than mine though..
     
  9. Magana559

    Magana559 The Warden

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    sounds 100% normal to me :shrug:
     
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