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Wind up noise on start and stop

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by nursingninja, Aug 6, 2019.

  1. nursingninja

    nursingninja Junior Member

    Joined:
    May 5, 2017
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    Location:
    California
    Vehicle:
    2013 Prius Plug-in
    Model:
    Plug-in Base
    My 2013 Prius plugin with 70k miles makes a strange clicky wind up noise, like winding up and old clock.

    It only happens just as I'm starting to accelerate at low speeds and just as I come to a full stop.

    The sound originates from the back of my car where the battery is.

    What is it?
     
    #1 nursingninja, Aug 6, 2019
  2. bisco

    bisco cookie crumbler

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    Vehicle:
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    Plug-in Base
    maybe something in the emergency brakes?
     
    #2 bisco, Aug 7, 2019
  3. jerrymildred

    jerrymildred Senior Member

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    Two
    That's in interesting one. Hmmm. Have you tried jacking up the back end and spinning the wheels by hand?
     
    #3 jerrymildred, Aug 7, 2019
  4. bisco

    bisco cookie crumbler

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    picked up a pebble maybe?
     
    #4 bisco, Aug 7, 2019
    Yea Right and jerrymildred like this.
  5. gallde

    gallde Active Member

    Joined:
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    Location:
    Tarrytown, NY
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Advanced
    Perhaps it's a "creak" sound from the suspension components compressing and expanding. Try standing on the rear bumper with the car parked and see if you hear it then.
     
    #5 gallde, Aug 7, 2019
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