Knocking Sound Under Driver Side Floorboard/Seat- 2012 Prius

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by rlb8987, Nov 3, 2021.

  1. rlb8987

    rlb8987 New Member

    Joined:
    Nov 3, 2021
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    Location:
    Sterling, NY
    Vehicle:
    2012 Prius
    Model:
    Three
    Hello,

    For the last couple of months, I have been noticing what I can best describe as a knocking coming from underneath driver side seat/floorboard of my 2012 Prius. Basically, if you drew a straight line from the front edge of the drivers seat seat straight down to the floorboard, you'd pinpoint where it is coming from.

    I only seem to feel it when I'm braking, and it's intermittent, not every time I brake. It does not seem to impact any part of the functionality of the vehicle, but it has been happening more often over the last couple of weeks so I'm at the point where I will most likely be making an appointment with my closest dealership to take a look. Before I do so, though, I'm wondering if anybody has had this issue and might know what the cause is.

    Thanks for the help!
     
  2. Mendel Leisk

    Mendel Leisk Sand Pounder

    Joined:
    Oct 17, 2010
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    Location:
    Greater Vancouver, British Columbia, Canada
    Vehicle:
    2010 Prius
    Model:
    Touring
    Have you looked under there at all?

    Any recent accidents, or even curb encounters?

    How many miles?

    Any recent brake work?
     
  3. rlb8987

    rlb8987 New Member

    Joined:
    Nov 3, 2021
    2
    1
    0
    Location:
    Sterling, NY
    Vehicle:
    2012 Prius
    Model:
    Three
    I don’t have a lift so it’s hard to get a good luck underneath, but from the limited amount I can see, there’s nothing that stands out to me as being wrong.

    No accidents or curb encounters of any kind.

    It has about 142,000 miles on it, so she’s no spring chicken!
     
    Mendel Leisk likes this.
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