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Low frequency hum on acceleration update

Discussion in 'Hyundai Kona Electric' started by David12231990, Aug 2, 2023.

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  1. Aug 2, 2023 #1
    David12231990

    David12231990 New Member

    The dealer is acknowledging the sound is not normal but cannot determine the cause so far so they are holding it over night. I am glad they are at least acknowledging it.

    Not sure what will happen next, but I'll keep you posted. As a reminder, this is the sound the car makes on acceleration:

    https://photos.app.goo.gl/H6nvXWdFA6dXfH1o7
     

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  2. Aug 2, 2023 #2
    KiwiME

    KiwiME Well-Known Member

    New Zealand '2019' EU, heat pump, pink coolant
    They'll have no option but to replace the gearbox and/or motor.
     
  3. Aug 3, 2023 #3
    Tomek

    Tomek Active Member

    Yes, it looks like reduction gear damage. Or a drive shaft joint or one of the bearings. The noise increases with speed, it's interesting to see what happens when cornering.
     
  4. Aug 23, 2023 #4
    Lars

    Lars Well-Known Member

    2021 Kona Preferred Ontario, Canada
    After listening to your recording, I would not call this a "low frequency hum". To me it is a scary hum. :eek: My car has developed a new noise, also related motor speed and annoying, but nowhere near the recorded noise. It is hard to hear unless you are on a recently paved road where the road/tire noise is minimal.
     

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