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Buzz/Vibrating Sound

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Samuel Meppen, Sep 25, 2024.

  1. Samuel Meppen

    Samuel Meppen New Member

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    Hello all,

    Long time Priuschat reader here. Would appreciate some troubleshooting help with an issue. I just got my brakes and rotors replaced in my 2013 2, a week later I notice a buzzing or vibrating sound coming from my rear driver side wheel or at least that’s where the sound appears to be coming from. Jacked the car up to see if there is any play on the wheel that would allude to a bad bearing. Bent the dust shield back a bit. The sound only appears for moments at a time and will go away after driving steadily.

     
  2. Samuel Meppen

    Samuel Meppen New Member

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    might be able to hear it better here.

     
  3. Tombukt2

    Tombukt2 Senior Member

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    I miss the boat completely there I don't hear anything If you pick up the back end of the car and you rotate the wheels roundy roundy with your hands what are you here should be a lot of nothing You have disc brakes on the back have they ever been replaced You can see how low they are with the wheel off looking in between the caliper and the rotor You don't see you almost what looks to be a 3/8 pad thickness or something like that and they're old and disgusting looking and starting to flake and crumble probably a good idea to change them this generally won't damage the rotor very much but you'll hear noises from the pads literally disintegrating from age if nothing else most of you people when you drive your Prius you don't really activate the friction brakes until you get to the last degree of a stop. You're using the friction brakes to hold you at the stop sign to keep you from being in the middle of the road and getting hit but getting to the stop sign most of y'all aren't using the friction brakes those are the regenerative brakes or the electric motor brakes or whatever you like to call them.
     
  4. Samuel Meppen

    Samuel Meppen New Member

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    Yes, the back wheels spin freely with a whole lot of nothing. The brakes were also just replaced 2 weeks ago, I’ve noticed the noise around 1 week ago. I tried to post a second video but it appears that it is pending mod approval. The dust shield doesn’t give off a grind or a scraping noise like they usually do when they’re at fault but I do notice some rust holes in the shield, I wonder if air flowing through the hole could cause it but idk the noise is very loud and apparent to my ears, unfortunately the phone doesn’t pick it up well.
     
  5. bisco

    bisco cookie crumbler

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    who did the brakes, have you asked them to look at it?
     
  6. bisco

    bisco cookie crumbler

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  7. Samuel Meppen

    Samuel Meppen New Member

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    I think I’m closer to finding the problem, looks like my filler pipe cover inside my rear wheel well may be loose and hitting the tire. Just don’t have any hard proof but I can try to secure it and see if it makes a difference.
     
  8. Tombukt2

    Tombukt2 Senior Member

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    This is a generation 3 I'd have to go out and look at the two dead ones I have here sounds like a plausible thing so take some urethane like you glue in a windshield with put some on this piece and stick it back to the inside of the car where it came from and hold it there with something tape a screw maybe but be careful and let that set now see if that stops the noise If it's really plastic and you don't feel like doing any of that you could just cut the plastic piece and pull it around from the pipe and throw it on the floor go for a drive and see if that stops everything If so there you go You haven't lost anything but a piece of plastic If you have the car when it was newer probably a whole bunch of other plastics are missing since it's been released to the wild or put on the road plastics are things that fall off the generation 3 pretty smartly parking too close to concrete blocks and all that stuff It happens and cars are ready 10 12 years old so.