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Strange rattle noise when accelerating

Discussion in 'Gen 3 Prius Main Forum' started by Eoinm, May 21, 2019.

  1. Eoinm

    Eoinm Junior Member

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    When accelerating I'm hearing a strange rattling noise from ( I think) the exhaust area although it's tough to isolate exactly where.

    Here's a video of the noise...anyone any idea what the cause might be?

     
    #1 Eoinm, May 21, 2019
  2. Eoinm

    Eoinm Junior Member

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    #2 Eoinm, May 21, 2019
  3. Pluggo

    Pluggo Senior Member

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    The "stock" answer would be that it's probably a loose baffle in the muffler. I don't know if that is relevant or not in your case, but I drove a Honda that had a similar rattle that would always briefly present itself as I accelerated past one particular RPM. It was an annoyance, but not worth the expense of correcting it. Your other good candidate would be a slightly loose heat shield over part of the exhaust.
     
    #3 Pluggo, May 22, 2019
    Eoinm likes this.
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