Clutch Problem? | FerrariChat

Clutch Problem?

Discussion in '360/430' started by Drpalm, May 26, 2007.

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  1. Drpalm

    Drpalm Rookie

    Feb 5, 2006
    36
    San Clemente, CA
    Full Name:
    Dean Slater
    I have an 01 360 6spd with 16k miles on it. I just bought it. It had the problem with the shift from 1 to 2 but my mechanic cured it by adjusting the linkage at each end of the cables and in the transmission. The other problem is not so easy. Sometimes at higher rpm's the clutch pedal just goes away all together.......pop it in neutral for a bit and the pedal comes back and you can shift away. It happens in the higher gears when your on it somewhat. At other times it's no problem at all. My mechanic thinks that the trow out bearing maybe bipassing fluid some how. Any one had this problem? We tried changing the clutch fluid and bleeding it. Still has same problem!

    ~DrPalm
     
  2. Skidkid

    Skidkid F1 Veteran
    Owner Rossa Subscribed

    Aug 25, 2005
    9,531
    Campbell, CA
    Full Name:
    John Zornes
    There was a very similar thread recently. His car was a 6 spd also. I can't remember if it was here or on maserattilife. Either way the systems are similar.

    There was a ton of speculation regarding the cause.The person took the car to the dealer and it turned out to be a programming issue. I know that sounds weird but it was the case for him. Obviously, no one thought of the computer.

    I can't tell you how or why. I could only speculate. Based on the info posted I could only guess it is related to low traction mode.

    Maybe Rifledriver will chime in on this one.
     
  3. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
    7,645
    Northern California
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    Greg Calo

    Sorry but he is at the moment very busy doing a major service on his Testarossa engine!!!
     
  4. RayJohns

    RayJohns F1 Veteran
    Silver Subscribed

    May 21, 2006
    7,926
    West Coast
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    Ray
    The thread below covers it...

    I have the same issue on my car, as do some friends. It seems to be a design issue with the pressure plate, that comes to light more as the clutch disc wears down.

    If you read my postings near the end of the thread on the link below (the ones where I draw some pictures), it explains what is happening. Brian provides a lot of good info on this thread about the subject as well.

    Basically the fingers of the pressure plate (where the T/O bear rides) have over extending "back" due to the thinner clutch disc (on account of wear). This let's the pressure plate move forward more and the fingers spring "back" more than normal. Then during high RPM's, the centrifugal force is enough to spin those fingers back a little bit (more into the up and down plane) due to the centrifugal force. That is why the pedal feels like it's not there. This also explains why you only feel it at very high RPM's, since at lower RPM's, the centrifugal force isn't enough to change anything with regard to the position of the fingers / pressure plate. At high RPM's, it can over come the force of the pressure plate, at low RPM's, it can't.

    This link should more fully explain things:

    http://www.ferrarichat.com/forum/showthread.php?t=149344

    I'm guessing it happens with the F1's cars also, but since there is no clutch pedal, there is never a human to feel it.

    Ray
     
  5. Drpalm

    Drpalm Rookie

    Feb 5, 2006
    36
    San Clemente, CA
    Full Name:
    Dean Slater
    Thanks guys. It's not what I wanted to read but it sounds like what's happening. This is going to be expensive and painful. It's rediculas that a car with only 16k miles needs a clutch and PP. Ferrari should have recalled these things and made them right. I hope they got it right with the 430!
    ~DrPalm
     
  6. GCalo

    GCalo F1 Veteran

    Sep 15, 2004
    7,645
    Northern California
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    Greg Calo

    How else do you think they keep their service departments busy?
     
  7. synchro

    synchro F1 Veteran

    Feb 14, 2005
    9,294
    CHNDLR
    Full Name:
    Scott
    Is the lifespan for a Lambo clutch similar?
     
  8. RayJohns

    RayJohns F1 Veteran
    Silver Subscribed

    May 21, 2006
    7,926
    West Coast
    Full Name:
    Ray
    A lot depends on how you (or the previous owner) drives the car - as far as pulling away from a dead stop. That's when most of the clutch wear occurs. Also how hard/gentle you are with shifts to lesser degree.

    Don't forget, these are race cars for the street basically :) They are made to squeeze every last ounce of performance out, not go 40K miles without a tune up.

    Ray
     

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