Upshift at high rpm sounds like a wastegate? | FerrariChat
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Upshift at high rpm sounds like a wastegate?

Discussion in '458 Italia/488/F8' started by Chadwick Ferrari, Apr 27, 2018.

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  1. Chadwick Ferrari

    Chadwick Ferrari Karting

    Dec 22, 2017
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    #1 Chadwick Ferrari, Apr 27, 2018
    I noticed that during spirited driving, shifts at higher rpm sounds like a wastegate. I know it’s not, but it has a similar sound.

    I’m not alarmed by it (should I be?), especially after I get a few nice crackles as well. I’m just curious, mechanically speaking, what causes this?
     
  2. 'Trust'

    'Trust' Karting
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    #2 'Trust', Apr 27, 2018
    What car?
     
  3. Viperjoe

    Viperjoe F1 Rookie
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    #3 Viperjoe, Apr 27, 2018
    458?


    Sent from my iPhone using FerrariChat
     
  4. Chadwick Ferrari

    Chadwick Ferrari Karting

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    #4 Chadwick Ferrari, Apr 27, 2018
    Sorry, yes, 458 Italia.
     
  5. SVCalifornia

    SVCalifornia F1 Rookie
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    #5 SVCalifornia, Apr 27, 2018
    Like a “chirp”???

    SV
     
  6. Ash Patel

    Ash Patel Formula Junior

    Dec 12, 2015
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    Stockholm, Sweden
    #6 Ash Patel, Apr 27, 2018
    Sounds about the same as I get and was told by the tech that it's "normal"
     
  7. Chadwick Ferrari

    Chadwick Ferrari Karting

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    #7 Chadwick Ferrari, Apr 28, 2018
    Not really. Sounds more like air. It does it’s coming from the exhaust..
     
  8. Motob

    Motob Formula 3
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    #8 Motob, Apr 28, 2018
    All 458's will make a slight chirp from the accessory drive belt slipping during full throttle shifts near red-line. Do a search and you will find other threads about the noise. It is normal and does not affect the operation of the car.
     
  9. Chadwick Ferrari

    Chadwick Ferrari Karting

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    #9 Chadwick Ferrari, Apr 29, 2018
    That’s very helpful, thank you. I did now find some other threads, and many said changing the accessory belt removed the noise.
     
  10. rmk40

    rmk40 Karting
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    #10 rmk40, Apr 29, 2018
    It’s normal, don’t worry. My 458 started this a few months back and I came here with the same concern. There’s another thread around here somewhere with all the “mine does this too” posts. [emoji3]
     
  11. johnr265

    johnr265 Formula Junior

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    #11 johnr265, Apr 29, 2018
    FYI, changing the belt will only temporarily remove the sound. Ferrari will change it free under maintenance every two years if you mention the chirping when you bring it in for service.
     
  12. rlips

    rlips Formula Junior

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    #12 rlips, Apr 30, 2018
    Normal. Even get the same sound on my 458 challenge.
     
  13. Motob

    Motob Formula 3
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    #13 Motob, Apr 30, 2018
    I wouldn't bother changing the belt, unless it is older than 2 years (Which is the normal replacement interval). I have experienced the noise on cars that I just changed the belt on. Regular 458's, Speciales and Challenge cars all make the noise. Ferrari doesn't consider it a problem and never came up with a fix for it. But they must have done some testing and redesign of the system, as 488's do not make the noise.
     
  14. Solid State

    Solid State F1 World Champ
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    #14 Solid State, May 2, 2018
    Surprising that the two engine types aren't immediately different enough even in this regard. Is the belt setup similar but just tweeked?
     

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