Any get a slight tapping noise from the front of car while braking at low speeds?

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by NguyenCB7, Jul 1, 2017.

  1. NguyenCB7

    NguyenCB7 Member

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    Any get a slight tapping noise from the front of car while braking at low speeds? I think it's coming from the driver side. The best way I can describe it is, it sound like a someone trying to tighten a bolt and it already tight... I hope that helps hahahaha.. Anyone have any ideas on what this could be?
     
  2. 'LectroFuel

    'LectroFuel Senior Member

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    I think what you're talking about is the inverter. This happens when braking at low speeds or pressing the brake pedal when stopped. It's a normal sound.
     
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  3. sillymike

    sillymike Junior Member

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    I'm starting to hear this exact noise on my 2017 Prius 4 touring when I go to the dealership for my next service I'm going to have them check it out but I definitely hear clicking noises coming from the left front brake while driving with the engine off in ev mode going about 5 to 10 miles an hour and slowly pressing the brake.

    Posted via the PriusChat mobile app.
     
  4. Scott Kirschner

    Scott Kirschner Junior Member

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    Yes I had to deal with that one drivers side front. Brought the car to the dealer twice before they started taking it serious. They put a “chassis scope” on the car so they could record the sound. They really could hear it after that and they made a recording. They even sent me a copy of the recording. After some back and forth with Toyota main office they sent a regional engineer to the dealer to supervise the removal of the drive train, tire, brakes etc. as a single unit to send back to the other engineers so they could evaluate it. I was told that removing everything from the car like that was a real pain but necessary. That was last summer and guess what, even with all new parts the sound has started coming back again.
     
  5. Scott Kirschner

    Scott Kirschner Junior Member

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    At first they tried to tell me it was a normal sound but believe me it is not. An individual at the dealer told me that this was becoming a big deal. If you are having the same problem keep pushing because it seems to me like a engineering defect. If you are having this problem do yourself a favor and make the appointment to have it looked at. If they come out with a recall everyone will be covered but if they only issue a technical service bulletin, and trust me I had this happen to me, they only cover the repair for those people who reported a problem.
     
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