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612 goes to neutral

Discussion in '612/599' started by 91f40, Apr 25, 2009.

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  1. 91f40

    91f40 Karting

    Sep 25, 2005
    106
    #1 91f40, Apr 25, 2009
    Bought an 05 F1 612. It drives great except that when under full acceleration in the upper rpms shifting from 3rd to 4th gear it goes into neutral. Shifts perfectly otherwise. Any ideas?
     
  2. rustybits

    rustybits F1 Rookie
    Professional Ferrari Technician

    Jan 28, 2007
    2,509
    Somewhere, anywhere
    Full Name:
    Eddie B
    #2 rustybits, Apr 25, 2009
    Possible clutch wear issue, or clutch sensor. They have been having a lot of problems with those of late. you need a specialist or dealer to look at it with an SD3 diagnostic unit.
     
  3. mr928

    mr928 Karting

    May 21, 2008
    60
    Anaheim CA
    Full Name:
    mark anderson
    #3 mr928, Apr 26, 2009
    It is probably the clutch wear sensor. Shifting into neutral is symptom that the clutch is reaching the end of its service life. I believe the sensor is somewhat adjustable and will start doing this with about 60% wear.
     
  4. Bondo

    Bondo Rookie

    Mar 30, 2008
    1
    #4 Bondo, Jun 7, 2011
    How is the sensor adjustable? Do you guys have any other info in this "going into neutral"

    thanks, Jeff
     
  5. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,180
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    #5 tazandjan, Jun 7, 2011
    Last edited by a moderator: Sep 7, 2017
    Jeff- The clutch sensor is not adjustable.

    F40- Like Eddie, said, first thing to do is go to a shop that can do an SD3 check and try resetting PIS if nothing else is wrong. There was a factory campaign to replace the clutch position sensor with a new one on early 612s. You might check and see if yours was done and if not try and convince Ferrari to do it. If the sensor is bad and has to be changed, you might as well put in a new clutch at the same time, because the clutch has to be removed to install the sensor.

    Taz
    Terry Phillips
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  6. forgeahead

    forgeahead F1 Rookie
    Owner

    Sep 16, 2008
    4,408
    Rocky Mount, NC
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    Ray
    #6 forgeahead, Jun 8, 2011
    How many miles are on it?
     

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