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Transmission problem on 308?

Discussion in 'Technical Q&A' started by losang, Jul 11, 2009.

  1. losang

    losang Karting

    Feb 11, 2005
    153
    I am afraid to ask because I think it could be ugly but yesterday I was heading down the highway at 80 MPH and I literally lost all of the gears. I almost came to a stop when I finally found second and got it going again. From that point on it was fine as I headed straight home. What do you think it is?
     
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  3. 2NA

    2NA F1 World Champ
    Professional Ferrari Technician Consultant Owner

    Dec 29, 2006
    17,751
    Twin Cities
    Full Name:
    Tim Keseluk
    You will need to be more specific than "lost all of the gears".
     
  4. st@ven

    st@ven F1 Rookie
    Silver Subscribed

    Aug 4, 2008
    3,061
    Netherlands
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    Steven

    i suggest you go back to the place you last used them, they might be laying around somewere....


    but to follow the previous answer, what EXACTALLY went wrong
     
  5. miketuason

    miketuason F1 World Champ
    Silver Subscribed Owner

    Feb 24, 2006
    14,301
    Cerritos, CA.
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    Mike
    Could be just linkage adjustments.
     
  6. garybobileff

    garybobileff Formula Junior
    Sponsor

    Feb 5, 2004
    772
    San Diego CA
    Full Name:
    Gary
    I would check the silentbloc ( bushing) in the shift shaft just in front of the gearbox ( exterior). If this bushing is ok, and not fallen apart, I would then drop the trans pan, and check for a loose piece of hardware in the selector mechanism. To lose all the gears is a linkage /actuator problem, and not a gearbox problem requiring overhaul. Rest easy, seems like a minor problem, easy fix.
    Gary Bobileff
     
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  8. rdearing

    rdearing Rookie

    Feb 7, 2006
    11
    What you will most likely find is one of the numerous adjustment points in the shift linkage (internal and external) has moved,allowing the primary shift fork to jump out of alignment. should be a quick fix.
     
  9. No Doubt

    No Doubt Six Time F1 World Champ
    Consultant

    May 21, 2005
    67,323
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    Mr. Sideways
    Nice post!
     
  10. mwr4440

    mwr4440 Four Time F1 World Champ
    Rossa Subscribed

    Jun 8, 2007
    43,665
    Bavaria, The 'Other' Germany
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    Mark W.R.
    This, one or both of the silent block bushings are bad or the fork came loose on the shift shaft inside the transmission case.

    Those are my bets.

    He COULD get lucky and this be an easy fix, but I WOULD BE PREPARD to drop the transmission pan to get the adjustments correct again and all grears working properly. AND I believe this will most likely be the case.

    Oh, and while you are in there, change seals, but in new silent blocks ............. etc.

    Don't bother asking how I know ................
     
  11. ClydeM

    ClydeM F1 Veteran
    Rossa Subscribed Owner

    Nov 4, 2003
    8,847
    Wayne, NJ
    Full Name:
    Clyde E. McMurdy
    I had something similiar happen. As above, the linkage bushing went. after replacing it, 2K miles, the other disintegrated. Do both if one.
     
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