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Hissing noise from under the hood, after shut down.

Discussion in 'Gen 3 Prius Technical Discussion' started by Jonny Zero, Aug 2, 2012.

  1. Jonny Zero

    Jonny Zero Giggidy

    Joined:
    Jun 22, 2012
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    Location:
    Austin, TX
    Vehicle:
    2012 Prius
    Model:
    Five
    I noticed my car hiss and hum from under the hook after shut down, for a few minutes. What is it doing?
     
    #1 Jonny Zero, Aug 2, 2012
  2. Mikawa

    Mikawa Junior Member

    Joined:
    Jul 3, 2012
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    Location:
    Rancho Palos Verdes, Southern California
    Vehicle:
    2012 Prius
    Model:
    Two
    There's a racoon in there opening a bottle of cerveza after a hard days' work...
     
    #2 Mikawa, Aug 3, 2012
  3. etobia

    etobia Member

    Joined:
    Sep 8, 2008
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    Location:
    NEW YORK STATE
    Vehicle:
    2010 Prius
    Model:
    III
    This is the sound of the engine wrapping up its work. When I bought my first Prius I thought it was broken. :). Can't say a blog post of a sound description can communicate the sound but here's my attempt: sounds like a bit of a herrr, zizz...bump bump....
     
    #3 etobia, Aug 3, 2012
  4. Jonny Zero

    Jonny Zero Giggidy

    Joined:
    Jun 22, 2012
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    Location:
    Austin, TX
    Vehicle:
    2012 Prius
    Model:
    Five
    This car does so many things on its own sometimes I am afraid it stands up, transforms into a robot and walks off...
    [​IMG]
     
    #4 Jonny Zero, Aug 3, 2012
  5. ftl

    ftl Explicator

    Joined:
    Jun 2, 2009
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    Location:
    Long Island NY
    Vehicle:
    2012 Prius c
    Model:
    Three
    Something like this would be handy:

     
    #5 ftl, Aug 3, 2012
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