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Advice/Help Requested

Discussion in 'Gen 2 Prius Main Forum' started by Ben Kramer, Aug 23, 2024 at 3:51 PM.

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  1. Ben Kramer

    Ben Kramer New Member

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    Location:
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    Vehicle:
    2009 Prius
    Model:
    II
    Hi all-

    I recently noticed a new sound under the hood in my 2009 2nd gen. The sound begins when the car is parked, still on, and the engine has turned off (not accessory mode- generally after I park). If I keep the car on and the engine turns back on, the sound stops. It’s a sort of clicking, whirring, rotating-like sound that comes from right around/under the fuse box. No warning lights. Sound continues even if A/C is turned off. Has anyone experienced this? Thanks for your time.
     
    #1 Ben Kramer, Aug 23, 2024 at 3:51 PM
    Last edited: Aug 23, 2024 at 4:03 PM
  2. dolj

    dolj Senior Member

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    May 14, 2012
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    Location:
    Wellington, New Zealand
    Vehicle:
    2007 Prius
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    Like a washing machine?

    If yes, that is the coolant flow control valve malfunctioning. There are a myriad of threads here on PriusChat on how to fix that.
     
    #2 dolj, Aug 24, 2024 at 5:00 AM
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