Strange noise on acceleration...

Discussion in 'Mazdaspeed 3 General Discussion' started by liquidefex, Apr 29, 2021.

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  1. liquidefex

    liquidefex Greenie Member

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    Hearing this...grinding noise? Weird kinda rumbly/shaky noise when the engine is under load. Can be from start, or even at 40mph in 4th or 5th gear.

    Does anyone recognize this sound before I start pulling shit apart or assuming the worst? Ignore the shaky sunglasses in the beginning, you'll hear the rumble I am talking about!



    Thanks!
     
    liquidefex, Apr 29, 2021
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  2. liquidefex

    liquidefex Greenie Member

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    This one was solved with a bad passenger side engine mount! It only had a few hundred miles on it at this point, but the rubber had completely deteriorated causing some metal on metal grinding.
     
    liquidefex, Sep 29, 2021
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  3. Raider

    Raider Administraider Administrator Platinum Member

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    Oem?
     
    Raider, via an iPhone, Sep 30, 2021
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  4. liquidefex

    liquidefex Greenie Member

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    It was an aftermarket version of the OEM mount.

    I replaced it with a JBR Racing passenger mount and it is *super* rumbly and vibratey now hahaha. Got a few hundred miles on this JBR mount now, gonna check on it again sometime this week to make sure it is still installed properly, but I honestly might go back to the OEM style mount because it is a LOT more comfortable.
     
    liquidefex, Oct 3, 2021
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  5. Branberm

    Branberm Greenie N00B Member

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    Do you have that Video still up ? Im trying to figure out a nasty noise
    Thanks !
     
    Branberm, via a mobile device, Nov 9, 2022
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  6. Awafrican

    Awafrican Moderator Gold Member

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    Inspect your passenger motor mount, if it looks like it's damaged at all replace it that was the solution to this problem, if it looks fine then keep looking. OEM PMM is known to fail over time
     
    Awafrican, via a mobile device, Nov 9, 2022
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  7. Branberm

    Branberm Greenie N00B Member

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    Appreciate it
     
    Branberm, via a mobile device, Nov 12, 2022
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