Braking problem with 488 | Page 3 | FerrariChat

Braking problem with 488

Discussion in '458 Italia/488/F8' started by Badbruno, Dec 4, 2020.

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  1. mdrums

    mdrums Formula 3
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    #51 mdrums, Mar 25, 2021
    Possibly Ferrari vacuum lines are not connected as well as Porsche and there is a leak somewhere happening???
     
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  2. Badbruno

    Badbruno Karting

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    #52 Badbruno, Mar 25, 2021
    My error here P0299 code
     
  3. RayJohns

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    #53 RayJohns, Mar 25, 2021
    What kind of fluid? I hope they checked to see if it's actually brake fluid :)

    Ray
     
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  4. Badbruno

    Badbruno Karting

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    #54 Badbruno, Mar 25, 2021
    I’ve just returned from dealer and it’s break fluid it originated from shaft from master cylinder. That’s all wet and fluid is on big diaphragm as I look into booster
     
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  5. Badbruno

    Badbruno Karting

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    #55 Badbruno, Mar 25, 2021
    RayJohns thanks for staying in the conversation I appreciate the questions
     
  6. RayJohns

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    #56 RayJohns, Mar 25, 2021
    You're most welcome. Glad they got to the bottom of what was causing your braking issue.

    Ray
     
  7. IloveGT

    IloveGT Formula 3
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    #57 IloveGT, Mar 25, 2021
    you are an asset to the forum. thank you
     
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  8. IloveGT

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    #58 IloveGT, Mar 25, 2021
    damn you two are so smart! love it.
     
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  9. Badbruno

    Badbruno Karting

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    #59 Badbruno, Mar 25, 2021
     
  10. RayJohns

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    #60 RayJohns, Mar 25, 2021
    Well, I did stay at a Holiday Inn last night...

    Ray
     
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  11. Badbruno

    Badbruno Karting

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    #61 Badbruno, Mar 26, 2021
    Car Fixed !!!!

    1/. Poor brakes were caused by master cylinder leak into brake booster

    2/. P0299 Underperforming turbo caused by stuck open waste gate!! So car performed worse than 458 on low compression

    this car was idle and not driven much by prior owner.. which explains damaged o-rings in master cylinder leaking fluid. Lack of use. What caused waste gate to be popped open?


    Case closed this is a completely new vehicle !!
     
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  12. IloveGT

    IloveGT Formula 3
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    #62 IloveGT, Mar 26, 2021
    hmmm, doing what? lol!
     
  13. IloveGT

    IloveGT Formula 3
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    #63 IloveGT, Mar 26, 2021
    car must be driven, even pagani!
     
  14. RayJohns

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    #64 RayJohns, Mar 26, 2021
    Browsing Ferrarichat and putting off the real work that I need to be doing, of course :)

    Ray
     
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  15. Il Co-Pilota

    Il Co-Pilota F1 Veteran

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    #65 Il Co-Pilota, Mar 26, 2021
    Well I got 1 out of 2:)

    Sent from my SM-G930F using FerrariChat.com mobile app
     
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  16. jcoles

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    #66 jcoles, Mar 26, 2021
    I'm thinking about buying a 488 soon and all of the above is scary reading. I'm looking at 2016's with under 7,000 miles which means the cars most likely sat a lot too. I'd hate to have this problem and wondering if I need to have these systems checked thoroughly on the PPI.
     
  17. Il Co-Pilota

    Il Co-Pilota F1 Veteran

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    #67 Il Co-Pilota, Mar 26, 2021
    It's the first time I hear of them on the 488. Neither of them are common.

    Sent from my SM-G930F using FerrariChat.com mobile app
     
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  18. SVCalifornia

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    #68 SVCalifornia, Mar 26, 2021
    With a bad waste gate it should be audible no? No blow off after a rev?

    Maybe the second one can mask the first...?

    SV
     
  19. Il Co-Pilota

    Il Co-Pilota F1 Veteran

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    #69 Il Co-Pilota, Mar 27, 2021
    The waste gate sits upstream of the turbine, and controls boost by continuously bleeding off exhaust gas. The blow off valve sits upstream from the compressor and protects the compressor against stalling. So no, you cannot hear a defective waste gate as the exit mixes with exhaust downstream of the turbine section.

    Sent from my SM-G930F using FerrariChat.com mobile app
     
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  20. Dicecal

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    #70 Dicecal, Mar 27, 2021
    Glad Ferrari got to the root case of the problem!

    BTW, what brake fluid do you run on your cars for track use? Castrol SRF still the best available?
     
  21. Badbruno

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    #71 Badbruno, Mar 27, 2021
    We use ATE fluid
     
  22. Badbruno

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    #72 Badbruno, Mar 28, 2021
    So I'm convinced that I bought the car with these Two issues. I only drove the car from the closed transport to the Dealer. And when it went to Ferrari of DC. nothing was caught. And after a long drive I then noticed the car would not stop properly.
    In addition I was not impressed with the power. My P Car was much stronger.. Now the car pulls like I was expecting from what I had heard about the 488!
     
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  23. Badbruno

    Badbruno Karting

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    #73 Badbruno, Mar 28, 2021
  24. ilko

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    #74 ilko, Mar 29, 2021
    Can you please elaborate on master cylinder leak? Was that a simple bolt tightening procedure or did they have to replace the booster and master cylinder? Thanks!
     
  25. Badbruno

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    #75 Badbruno, Mar 29, 2021
    I had to replace master cylinder and booster , sold as one unit. Removing master cylinder showed fluid on the rod which moves in master cylinder and brake fluid inside the booster
     
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