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458 Emergency Brake

Discussion in 'Technical Q&A' started by CliffinDallas, Jul 25, 2023.

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  1. CliffinDallas

    CliffinDallas Rookie

    Jan 12, 2022
    6
    Full Name:
    Clifford Southard
    #1 CliffinDallas, Jul 25, 2023
    Anyone know where to find emergency brake cable for a 458? Local shop can’t find. New ECU having trouble calibrating even though cable is one year old. Substitutes?
     
  2. tbakowsky

    tbakowsky F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    19,870
    The Cold North
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    Tom
    #2 tbakowsky, Jul 25, 2023
    Possible the cable has been adjusted incorrectly. If I remember right there is a beding in procedure, and if the cable tension is not mechanical set correctly it will fail calibration. Its such a stupid system. Overly complicated for such a basic operation.
     
  3. CliffinDallas

    CliffinDallas Rookie

    Jan 12, 2022
    6
    Full Name:
    Clifford Southard
    #3 CliffinDallas, Jul 26, 2023
    Thanks for the reply, they are apparently hard to find
     
  4. Island Guy

    Island Guy Karting

    Feb 20, 2020
    129
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    Island Guy
    #4 Island Guy, Jul 26, 2023
    Start with a mechanical adjustment of the parking brake shoes....
     
  5. windsock

    windsock Formula 3
    Rossa Subscribed

    Nov 29, 2006
    1,137
    #5 windsock, Aug 1, 2023
    I have never seen the cables cause this but seen many blame the cable. The parking brake shoes must be properly adjusted and the system is very sensitive to the adjustment in order to pass calibration. Even following the directions you may need to tighten slightly or loosen slightly to fall into the window the system wants to see to pass calibration. Ensure the shoes have not come apart and lost the material, common especially where road salt is used.
     
  6. CliffinDallas

    CliffinDallas Rookie

    Jan 12, 2022
    6
    Full Name:
    Clifford Southard
    #6 CliffinDallas, Aug 1, 2023
    Super! Thank you for your reply. Ended up replacing brake shoes, working well now. The mechanic said same thing about adjustment. A manual emergency brake would be nice!
     

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