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Thread: what is this sound

  1. #1
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    Question what is this sound

    Hi,

    We have a 2015 Micra S that is just over 6 months old. We started hearing this "rattling" sound in the cabin when the car is in drive and stopped (e.g. at a stop light). It goes away as soon as I take my foot off the brake and start accelerating. The noise is quite loud and noticeable when the radio is off. It makes this sound even without any a/c or fan on. The noise does stop when I put the gear in either neutral or park. I have a couple of video to demonstrate what I mean. Any ideas?







  2. #2
    Senior Member Pete's Avatar
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    Exhaust heat shield? Just guessing.

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    Senior Member dani3d's Avatar
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    I had something similar and it was the black plastic part that is right beside the battery. It was vibrating and hitting on the side of the battery.

    I suggest that you open the hood with the engine running and see if you can pinpoint the sound.

        __________________________________________

        click to view fuel log View my fuel log 2015 Micra SR automatic: 7.0 L/100 km ... 40.4 mpg (Imp) ... 14.3 km/L ... 33.6 mpg (US) ...


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    Administrator MetroMPG's Avatar
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    baluyot - can you say where the sound is coming from? Front? Rear? Dashboard? Underneath? Engine compartment?

    ---

    dani3d: I remembered your description of the plastic rattle. Thanks for posting (saved me looking it up!).

        __________________________________________

        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


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    Junior Member OneTwoKombo's Avatar
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    Quote Originally Posted by dani3d View Post
    I had something similar and it was the black plastic part that is right beside the battery. It was vibrating and hitting on the side of the battery.

    I suggest that you open the hood with the engine running and see if you can pinpoint the sound.

    You Mean The White Plastic Around It?

  7. #6
    Senior Member dani3d's Avatar
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    No it's a black exhaust thing. Really not sure how to name it

    here I circled it in red. On my car it was vibrating and it was hitting on the battery and making the same noise as you have. Not sure it's the same thing in your case but it's worth checking with the hood open and see if you can pin point the sound.

    Name:  vibrations.jpg
Views: 4518
Size:  96.9 KB

        __________________________________________

        click to view fuel log View my fuel log 2015 Micra SR automatic: 7.0 L/100 km ... 40.4 mpg (Imp) ... 14.3 km/L ... 33.6 mpg (US) ...


  8. #7
    Moderator ptbo micra's Avatar
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    that's the resonator.
    Get your MICRA-FORUM.com decal HERE!!

    Micra Meets: Loyalist Pkwy '15, '16 | Classique d'automne '15 '16 '17 '18 | Forks of the Credit '16 | Mosport '16 '17 '18

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    Lol, I had the exact same thing, so I just disconnected mine at the airbox, and threw everything past the airbox out. Swapped in the CAI and it's all good now.

  10. #9
    Senior Member L1ghtninchris's Avatar
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    mine made the same sound before, it was the exhaust heat shield, they replaced it under warranty, it came loose, but while car is running look under the back near exhaut if it is loud there then it is that

  11. #10
    Senior Member LilGeckos's Avatar
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    I had this problem with mine. Same area that dani3d has described. Dealership put foam sticky tape on it to stop the rattle. Warranty fix. It was real loud.



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