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Transmission...destroyed in one week???

Discussion in 'Questions From New Drivers' started by Black Sky, Aug 21, 2012.

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  1. Aug 21, 2012 #1
    Black Sky

    Black Sky Bobtail Member

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    Oct 6, 2011
    North America
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    Ok... So buddy goes on holidays for a week, myself and two other guys use his assigned truck while he's gone. I use it after one guy for most of the week, then another guy after me. The third guy writes up after a couple days on the truck "won't shift into 1st or 6th". WTF?! So now fingers are pointing at me and this other guy, someone blew the tranny... How does this happen? ? Forcing the shifter into places it doesn't want to go?? It only has ~40,000 mi on it! 9spd Eaton

    I'm not a veteran, but I am also not retarded!
     
    Black Sky, Aug 21, 2012
    Black Sky, Aug 21, 2012
    #1
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  3. Aug 21, 2012 #2
    nikmirbre

    nikmirbre Road Train Member

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    Its easy to blame the new guy........
     
    nikmirbre, Aug 21, 2012
    nikmirbre, Aug 21, 2012
    #2
  4. Aug 21, 2012 #3
    Richter

    Richter Road Train Member

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    He's prob just not double clutching properly. My trans has 800k on it and still works ok. Depending on how you stop, sometimes they won't go in first unless you let the clutch out a little.
     
    Richter, Aug 21, 2012
    Richter, Aug 21, 2012
    #3
  5. Aug 21, 2012 #4
    123456

    123456 Road Train Member

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    1st and 6th,

    or do you mean

    2nd and 6th ?
     
    123456, Aug 21, 2012
    123456, Aug 21, 2012
    #4
  7. Aug 21, 2012 #5
    nikmirbre

    nikmirbre Road Train Member

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    Not double clutching properly isnt gonna destroy the trans that soon? Itll take a while for that to happen.
     
    nikmirbre, Aug 21, 2012
    nikmirbre, Aug 21, 2012
    #5
  8. Aug 21, 2012 #6
    Okieron

    Okieron Crusty Okie

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    Forcing it into gear will tear it up, but more likely in that little time it was defective from factory
     
    Okieron, Aug 21, 2012
    Okieron, Aug 21, 2012
    #6
  9. Aug 21, 2012 #7
    double yellow

    double yellow Road Train Member

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    That was my first thought too. Perhaps someone kept trying to drive it like a 10spd and blew out the low gear?
     
    double yellow, Aug 21, 2012
    double yellow, Aug 21, 2012
    #7
  10. Aug 21, 2012 #8
    Black Sky

    Black Sky Bobtail Member

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    Oct 6, 2011
    North America
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    Yeah I asked again, the guys said 1 & 6, can't get in them. Not L and 6, 1 and 6. 1 & 5 would have made more sense too, so I don't know what caused it. Crappy deal though for sure.
     
    Black Sky, Aug 21, 2012
    Black Sky, Aug 21, 2012
    #8
  11. Aug 21, 2012 #9
    CAXPT

    CAXPT Road Train Member

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    Looking at the power flow diagram of the:
    FS(O)-6109
    FS(O)-6209
    FS(O)-6309
    FS(O)-8209
    FS(O)-8309


    It appears that the 1st and 6th speed share the same fork and gear on the main shaft so it looks like a synchronizer gear or ring may be the issue. Not sure, been a long time since I've ripped one apart. :(
     
    Last edited: Aug 21, 2012
    CAXPT, Aug 21, 2012
    CAXPT, Aug 21, 2012
    #9
    rookietrucker and Black Sky Thank this.
  12. Aug 21, 2012 #10
    striker

    striker Road Train Member

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    Denver, Co
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    according to the anti-auto crowd manual trannies aren't supposed to break, this is impossible to happen....oh well
     
    striker, Aug 21, 2012
    striker, Aug 21, 2012
    #10
    FLATBED Thanks this.
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