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Odd noise trying to figure out...

Discussion in 'Gen 2 Prius Main Forum' started by zooracer, Aug 15, 2017.

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  1. zooracer

    zooracer New Member

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    I will try to post a short video I took recording the noise
    It is coming from behind the dash or engine compartment
    It is two noises. Both start and end together. They come and go every 14 seconds like clockwork. They last about 3 seconds
    One part is a buzzy type noise and second is a knocking sound

    Sounds almost like a water pump that is trying to keep pressure in a system/line

    Any idea what that is?

    I'll try to attach video
     
    #1 zooracer, Aug 15, 2017
  2. fotomoto

    fotomoto Senior Member

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    A repetitive buzzing type sound is usually the brake pump (actuator) going bad on the Gen 2 which is the forum you're posting in. I mention the latter since you don't state what vehicle this is happening to.
     
    #2 fotomoto, Aug 15, 2017
  3. bisco

    bisco cookie crumbler

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    what year and how many miles?

    how many miles have you owned it?

    how many miles has it been making the noise?
     
    #3 bisco, Aug 15, 2017
  4. zooracer

    zooracer New Member

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    Wait
    It goes away when foot goes on the brake

    Must be the complicated hydraulic system keeping pressure
     
    #4 zooracer, Aug 15, 2017
  5. zooracer

    zooracer New Member

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    I've owned it 4 months
    Always did it
    90k miles
     
    #5 zooracer, Aug 15, 2017
  6. Beachbummm

    Beachbummm Senior Member

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    call your dealer and give them the vin number , ask about an extended warrantee on the brake actuator .... Toyota is replacing a lot of them.. don't disconnect the battery if theres an error code they will have to see it when they scan the car. good luck, the repair cost is about $2700
     
    #6 Beachbummm, Aug 15, 2017
  7. zooracer

    zooracer New Member

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    Gotcha
    Problem is I see no codes thrown?
    I have a code reader and scangauage II

    Still take it in?
     
    #7 zooracer, Aug 15, 2017
  8. bisco

    bisco cookie crumbler

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    you need tech stream for some prius codes, but if you didn't get any dash lights, there might not be one.

    do you get the buzzing sound when you open the drivers door?
     
    #8 bisco, Aug 15, 2017
  9. bisco

    bisco cookie crumbler

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    is it a 2007?
     
    #9 bisco, Aug 15, 2017
  10. zooracer

    zooracer New Member

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    2009

    And it isn't related to door being open

    I mother-in-law had a 2006 hybrid Camry that the actuator went out on she took it into the dealer that she bought it from and they gave her a really hard time. It took months to get them to agree to do it and she still had to pay labor
    I am calling dealership now and will update on here in a bit
     
    #10 zooracer, Aug 16, 2017
  11. zooracer

    zooracer New Member

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    Ok
    So apparently there is an extended warranty dealer through Toyota for the accumulator until dec 31 2017

    So I set an appointment for tomorrow at 215 to drop it off

    They will see if that is what it is and then supposedly replace for no charge

    I'll update tomorrow
     
    #11 zooracer, Aug 16, 2017
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  12. bisco

    bisco cookie crumbler

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    all the best!(y)
     
    #12 bisco, Aug 16, 2017
  13. bisco

    bisco cookie crumbler

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    all the best!(y)
     
    #13 bisco, Aug 16, 2017
  14. coolioe93

    coolioe93 Junior Member

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    Could you post a video of the noise? Does it sound like this?




    iPhone ?
     
    #13 coolioe93, Aug 16, 2017
  15. bisco

    bisco cookie crumbler

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    wow, that's bad! nice audio.(y)
     
    #14 bisco, Aug 16, 2017
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  16. Beachbummm

    Beachbummm Senior Member

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    good luck, mine had an error code stored so I was covered.. took a day and a half to do a 4 hour job LOL
     
    #15 Beachbummm, Aug 16, 2017
  17. zooracer

    zooracer New Member

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    I'm at the dealer now
    They are getting ready to check it for codes
    If no codes found then they will not warranty it

    Keeping fingers crossed

    Technician heard how it tries to build pressure every 13 seconds and said that isn't normal and said it wa the accumulator

    But again...no codes then no help

    I'll post back in a few
     
    #16 zooracer, Aug 17, 2017
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  18. zooracer

    zooracer New Member

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    It is the abs actuator accumulator and they will replace under warranty

    Yeah!!

    Part will be in Monday so I'll bring it back then

    Thanks for all the help!

    This forum is the best
     
    #17 zooracer, Aug 17, 2017
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  19. Beachbummm

    Beachbummm Senior Member

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    look up the regional Toyota customer service managers number and name for your part of the country, they might authorize the repair, if not you can call the nation wide customer service center and tell them what the tech said..
     
    #18 Beachbummm, Aug 17, 2017
  20. Beachbummm

    Beachbummm Senior Member

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    great, you owe me a pizza... it would have been a $2700 repair ;)
     
    #19 Beachbummm, Aug 17, 2017
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  21. zooracer

    zooracer New Member

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    Would have been more than that! 2700 for part alone!

    Send me your address and I'll have dominoes deliver...what do you like in it?
     
    #20 zooracer, Aug 22, 2017
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