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Small motor type thing making noise

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Assad, Sep 7, 2018.

  1. Assad

    Assad New Member

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    Hi can any one please guide this encircled thing adjacent to ac filter is creating noise what is this pully type thing and what is the solution.
     

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    #1 Assad, Sep 7, 2018
  2. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Not seeing anything encircled. Guessing this?

    upload_2018-9-7_9-47-21.png
     
    #2 Mendel Leisk, Sep 7, 2018
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  3. TMR-JWAP

    TMR-JWAP Senior Member

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    That is some serious dust.......maybe the selector door actuator squeaking?
     
    #3 TMR-JWAP, Sep 7, 2018
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  4. Assad

    Assad New Member

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    Yes the motor operating this was out of order and replaced today problem fixed..
     
    #4 Assad, Sep 8, 2018
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  5. bisco

    bisco cookie crumbler

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    congrats!(y)
     
    #5 bisco, Sep 10, 2018
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  6. Gypsy62

    Gypsy62 Junior Member

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    I just bought a '12 plug-in that regularly, and seemingly randomly, cycles the sound of an "electrical servo" performing some function. The sound seems to be emanating from behind the glove box.
    After viewing your post, I'm wondering if that describes your (resolved) issue?
    Thanks!
     
    #6 Gypsy62, Sep 11, 2018
  7. bisco

    bisco cookie crumbler

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    funny, we never got an answer as to what motor.

    you have the hvac fan below the cabin filter behind the glove box. could be some debris in it. turn it on and off, and change the speed and see if it changes.

    there is also a buzzing sound from the dash when you open the drivers door, and at times when you step on the brake. that's the brake accumulator, normal.
     
    #7 bisco, Sep 11, 2018
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  8. Gypsy62

    Gypsy62 Junior Member

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    Thanks, Bisco: I was about to ask OP precisely what part they replaced, too!

    And I'll monitor whether the "servo noise" cycles with braking.
    Thanks!
     
    #8 Gypsy62, Sep 11, 2018
  9. Assad

    Assad New Member

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    Actually motor controlling AC air flow was making noise.
     
    #9 Assad, Sep 12, 2018
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  10. bisco

    bisco cookie crumbler

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    thanks! so that is the fan under the filter.
     
    #10 bisco, Sep 12, 2018
  11. Assad

    Assad New Member

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    It was motor controlling ac air direction which was making unusual noise
     
    #11 Assad, Oct 1, 2018
  12. bisco

    bisco cookie crumbler

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    ah, sound like a ventilation door motor
     
    #12 bisco, Oct 2, 2018
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  13. Joemcb

    Joemcb Junior Member

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    I think this is it. Mine is a little squeaky at times

    upload_2024-10-2_11-30-13.png
     
    #13 Joemcb, Oct 2, 2024
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