599GTB reverse gear missing after after oil change... | FerrariChat

599GTB reverse gear missing after after oil change...

Discussion in '612/599' started by Evald, Jun 3, 2020.

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  1. Evald

    Evald Rookie

    Jun 3, 2020
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    Evald-Hannes Kree
    I changed oils in F1 transmission and in the gear selector system. After that reverse is missing.
    Is there any tip for breathing the gear selector system after an oil change?

    Thanks,
    Evald
     
  2. brogenville

    brogenville Formula 3
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    Robin
    Did you get all the bleed points? I assume you were using an SD3/equivalent to do the bleed process?


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  3. tazandjan

    tazandjan Three Time F1 World Champ
    Lifetime Rossa Owner

    Jul 19, 2008
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    Terry H Phillips
    Please tell us exactly how you did the change. The F1 transaxle is the same as the 3 pedal transaxle with the clutch pedal, so changing oil there would not have an immediate effect even if you used the wrong oil (like 75W-140 or 85W-140). Changing out the oil on the F1 system without properly bleeding the system using a diagnostic tool like Robin mentioned will cause problems, though, if that is what you did.
     
  4. Evald

    Evald Rookie

    Jun 3, 2020
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    Evald-Hannes Kree
    We tried to do bleeding 4-5 times and used Launch device. And now Revise gear is missing and the hole system is not working properly. I think we used 75W85 oil. I will update on Tomorrow.
     
  5. brogenville

    brogenville Formula 3
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    75W80 is gearbox oil, but as has been stated above, this is a separate system to the F1 hydraulic oil. The F1 system uses a self contained hydraulic reservoir, pump, lines etc, to actuate the gear changes. At no point does this oil mix with the gearbox lubrication oil. If you’ve put gearbox oil in your F1 system, you need to flush it out with the correct F1 fluid (Shell donax or similar).

    Now, none of this explains why your car can’t find reverse. My guess is it’s a potentiometer or solenoid that’s out. Either way you should have a fault code. If you have a Launch device, then you can read the gearbox ecu for trouble codes.


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  6. brogenville

    brogenville Formula 3
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    To be honest, and don’t take this the wrong way, but if you need the difference between the gearbox and F1 fluids explained to you, you probably shouldn’t be working on this yourself.


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  7. tazandjan

    tazandjan Three Time F1 World Champ
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    Jul 19, 2008
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    Robin- Affirmative, the F1 system needs basically synthetic automatic transmission or power steering fluid. Not even sure what would happen with oil in there, but it still would not likely eat reverse for a short period.
     
  8. Evald

    Evald Rookie

    Jun 3, 2020
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    Evald-Hannes Kree
    For hydraulic system I used Dexron III H oil. Launch diagnostic device is not showing any faults.
     
  9. brogenville

    brogenville Formula 3
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    Have a look at the live data- you should find a feed for “gear requested” and another for “gear selected”. You can at least tell from this whether the gearbox ecu is receiving the command to select reverse gear.

    I take it all other gears go in quickly and smoothly?


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  10. Evald

    Evald Rookie

    Jun 3, 2020
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    Evald-Hannes Kree

    Hi again,

    Now I understand where thing went worn. My mechanic opened the system and now it needs setup. I found one good youtube video for 360 but not for 599. Where is possible to upload manual for 599 F1 Transmission Gearbox Actuator setup? As I understand I need calibration special tool for this (pic. attached)?
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  11. brogenville

    brogenville Formula 3
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    The gearshift learning process should only be necessary if the potentiometres are changed or disturbed. Just changing the oil shouldn't do anything to this.

    With that said, its no bad idea to try this. You'll need a fairly advanced diagnostic tool to do this though. Most likely only one that a main dealer or Ferrari/Maserati specialist will have.
     
  12. Evald

    Evald Rookie

    Jun 3, 2020
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    Evald-Hannes Kree
    Strange is that one potentiometer wing was damaged. What caused it, I do not know.
    For self-learning, we have launch device.

    Where I can find a manual for calibration? Is it possible to buy a calibration toolset?
     
  13. brogenville

    brogenville Formula 3
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    There is a special tool (AV3458) that is used to confirm that the actuator output shaft is centered on the gearbox control plate.Again, you should only need this if you've done anything to detach the actuator from the gearbox. Otherwise, for example if you have changed on of the position sensors, all you need to do is perform the self learning cycle. The Launch tool may well have this- it will be under special functions along with setting of PIS.
     

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