My 612 | FerrariChat

My 612

Discussion in '612/599' started by ablee2323, Dec 15, 2015.

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  1. ablee2323

    ablee2323 Rookie

    Apr 22, 2015
    43
    #1 ablee2323, Dec 15, 2015
    Last edited by a moderator: Sep 7, 2017
    I'm a relatively new owner of a 2005 612 (F1). In the past 6 weeks the transmission failure light came on 3x but for two seconds before turning off. It happens when I'm driving and randomly. I took it to the dealer center to have the error codes read. No error history. Potentially sensitive or faulty sensor. I've had no issue in shifting gears up or down and reverse. Drives like new.

    I've also notices suspension height on driver's front side is a little higher than passenger side. I also asked about this and was told the Ferrari center doesn't mess around with suspension and that variation in height was acceptable. My understanding is that suspension is adjustable in the 612. In any case I'm driving it as is. Wondering if others have this discrepancy.

    Not much of a difference and less so when i sit in it.

    First pic is front driver side which is higher and second pic is front passenger side. All tires were filled to same air pressure 34 psi.
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  2. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,323
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    I would find myself another dealer if possible. When setting ride height on a 612 or other Ferrari, a 75 kg/165 lb weight is put in the driver's and passenger's seat to account for driver and passenger weight. Front ride height is set at 130.5 mm measured from the inside of a chassis hole near the front suspension and 129.5 mm in the rear from another chassis hole near the rear suspension. Unfortunately my early WSM does not have an illustration of those holes but they should be easy to spot. Ride height is adjusted by turning the spring perch on the shock absorber body.

    Sounds like your ride height needs to be adjusted and your current dealer should be able to do it or recommend the shop they use for alignments. That shop will need to have a selection of shims used for adjusting the camber on 612 suspension because both camber and toe front and rear will need to be adjusted after a ride height adjustment. Rapid tire wear and funny handling can result from out of alignment suspension settings.

    Since regular suspension setting checks are part of Ferrari routine maintenance, hard to believe any Ferrari shop does not have the capability to do this or have it done.

    On the F1 system, first thing to do would be to change and bleed the F1 fluid, which should be done at least every three years. Yours has probably never been done because Ferrari did not recommend regular F1 fluid changes until the 599 came out. They can do further diagnostics when doing that job.
     
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  3. ablee2323

    ablee2323 Rookie

    Apr 22, 2015
    43
    Thank you very much.
     
  4. southnc

    southnc Formula 3

    Dec 25, 2013
    1,765
    Charlotte, NC
    Full Name:
    Adam
    Welcome to the forum and sorry your having some initial issues. Did you get a PPI before purchasing that car? That should have detected the issue.

    Regardless, we're all fortunate to have knowledgeable and extraordinary people, such as Taz, for solid advice & recommendations.
     
  5. MoeD

    MoeD Formula 3

    Aug 1, 2007
    1,278
    USA
    Full Name:
    Moe D
    Taz- Always with the most informative responses- Can't beat him
     
  6. 1mean3

    1mean3 Formula Junior
    Rossa Subscribed

    Sep 26, 2012
    427
    +1
     
  7. ar4me

    ar4me F1 Rookie
    Owner

    Apr 4, 2010
    3,114
    Southern California
    Full Name:
    Jes
    I am not so sure there is anything wrong with your ride height. You have 4 fingers in driver side, and 3 fingers in passenger side, but there is also more space between your fingers and fender on passenger side. With weight in the driver seat, it may be correct. I think what the dealer meant is that they wouldn't usually mess with the ride height setting, so with high likelihood, yours is as it was set at the factory. Maybe they just saved you $ instead of saying, "yes sir, we will re-do your suspension settings" and collect your $. Finally, technically, the fender is not the correct reference point for suspension height setting.

    Edit: Also, you hand on the driver side is pretty level, while your hand on the passenger side is angled up... further "misleading" the "picture".
     
  8. ablee2323

    ablee2323 Rookie

    Apr 22, 2015
    43
    Thanks all. I am in korea and only one official dealer and service center. I am learning as I go. First Ar4me is correct the pic is misleading. Using a measuring tape the difference is 0.5 cm. So not much of a difference. The service center simply said they don't mess with suspension so I went to a friend who runs a garage and services exotics. They took the wheel off and fiddled around with the suspension. End result no change. But they told me that the ride height is such that it accounts for driver side weight (as mentioned above) but then what happens when I have a passenger?

    It is not easy being ocd but I've decided to let it be simply because I don't have much of a choice and the car drives fine.

    Thanks for the responses. Very helpful.
     
  9. ablee2323

    ablee2323 Rookie

    Apr 22, 2015
    43
    #9 ablee2323, Dec 15, 2015
    Last edited by a moderator: Sep 7, 2017
  10. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
    39,323
    Clarksville, Tennessee
    Full Name:
    Terry H Phillips
    There is no compensation for driver weight alone in the suspension settings or ride height on any Ferrari except possibly a racing one. That is why a 75 kg weight is used in both seats.

    If your friend needs the suspension settings, let me know and I can post them. The dealer can order some shims for him if needed and we can give you the parts numbers for those, too. Tolerances on ride height are normally about plus or minus 5 mm. Measuring distance between the tire and fender is not a reliable way to determine ride height, but your 0.5 cm is 5 mm, within tolearance.
     
  11. ablee2323

    ablee2323 Rookie

    Apr 22, 2015
    43
    Taz. Thanks again. Peace of mind is invaluable. I think I'll leave it and observe for the time being. Appreciate the time and advice.

    Also to the rest of the community a big thanks and happy holidays
     

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