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Fan noise much too loud

Discussion in 'Prime Main Forum (2017-2022)' started by Dhuntj, Feb 5, 2017.

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  1. Dhuntj

    Dhuntj New Member

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    Noise is coming form the front of the engine compartment
     
    #21 Dhuntj, Feb 9, 2017
  2. Dhuntj

    Dhuntj New Member

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    It's the fan in the front of the engine compartment.
     
    #22 Dhuntj, Feb 9, 2017
  3. priuscatprimeguy

    priuscatprimeguy Senior Member

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    are you plugged in?
     
    #23 priuscatprimeguy, Feb 9, 2017
  4. Dhuntj

    Dhuntj New Member

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    The problem noise is intermittent but it typically occurs when I drive relatively hard in EV. I took it to the dealer and, of course, they couldn't reproduce the problem but had a good suggestion - video tape it when it occurs. So, when I arrive home earlier this week it was really howling with no ICE running. I was able to video it and plan to get it to the dealer on Friday or Sat. It doesn't appear to be the main fan. I'll check back when I find out more.
     
    #24 Dhuntj, Feb 16, 2017
  5. VTBIGDOG

    VTBIGDOG Active Member

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    And the dealer said......?
     
    #25 VTBIGDOG, Mar 4, 2017
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  6. priuscatprimeguy

    priuscatprimeguy Senior Member

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    inquiring minds want to know:cool:
     
    #26 priuscatprimeguy, Mar 4, 2017
  7. bisco

    bisco cookie crumbler

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    tomorrow is our one month anniversary!;)
     
    #27 bisco, Mar 4, 2017
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  8. priuscatprimeguy

    priuscatprimeguy Senior Member

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    should we bring a gift?:rolleyes:
     
    #28 priuscatprimeguy, Mar 4, 2017
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  9. bisco

    bisco cookie crumbler

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    new fan?
     
    #29 bisco, Mar 4, 2017
  10. priuscatprimeguy

    priuscatprimeguy Senior Member

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    nah, earplugs:D
     
    #30 priuscatprimeguy, Mar 4, 2017
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  11. bisco

    bisco cookie crumbler

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    see, that's the good thing about going deaf.
     
    #31 bisco, Mar 4, 2017
  12. priuscatprimeguy

    priuscatprimeguy Senior Member

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    WHAT?:confused:
     
    #32 priuscatprimeguy, Mar 4, 2017
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  13. Since2002

    Since2002 Senior Lurker

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    Maybe he got sidetracked trying to figure out how to turn off the pedestrian noise maker and the reverse beeping.
     
    #33 Since2002, Mar 4, 2017
  14. hatcher8

    hatcher8 Junior Member

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    I have fan noise coming from the engine compartment near the front left quadrant of the engine compartment. I have noticed it twice now and both times it occurred when I had the heater set to warm up the interior of the vehicle
    One time it was plugged in and the second time it was running on its own and I can't remember what mode it was in if it was in EV or HV.
    One of the salesman once told me that these Prius Prime's have actual heat pumps in them instead of just air conditioners
    I'm not sure if that's true or not but I do know that heat pumps for residential homes can make horrendous noises when the pumps are running. I have an appointment at the dealer to look. I think on the 16th of March so I'll try to report back

    Pearl Prime
     
    #34 hatcher8, Mar 4, 2017
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  15. bisco

    bisco cookie crumbler

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    yes, it is true. there's a residential heat pump near us, sounds like the loudest buzzer i've ever heard.
     
    #35 bisco, Mar 4, 2017
  16. hatcher8

    hatcher8 Junior Member

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    #36 hatcher8, Mar 4, 2017
  17. mdhare

    mdhare Member

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    Our premium does this when preheating as well, nice and loud in the garage. I just assume it is normal behavior from the heat pump. Look forward to your dealer confirmation.
     
    #37 mdhare, Mar 5, 2017
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  18. mr88cet

    mr88cet Senior Member

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    Hmmm... I don't have much real-world experience with heat pumps (Austin heating needs are pretty light). Conceptually speaking though, a heat pump is an air conditioner that cools the outdoors, so right off the top of my head, I can immediately think why it would be much louder than an air conditioner...
     
    #38 mr88cet, Mar 5, 2017
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  19. bisco

    bisco cookie crumbler

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    thinking about how a heat pump works is like thinking about hsd. i need graphics.
     
    #39 bisco, Mar 5, 2017
  20. I'mJp

    I'mJp Senior Member

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    Two heat exchangers seperated by a compressor and a expansion valve. try wiki
     
    #40 I'mJp, Mar 5, 2017
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