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My SM465 is stuck in 1st gear, what do I do?

Discussion in 'The Garage' started by Chris Demartini, Sep 14, 2003.

  1. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color="blue">This is the SECOND time this has happened to me, I thought these werent supposed to break? /forums/images/graemlins/1zhelp.gif /forums/images/graemlins/1zhelp.gif
     
  2. bigslok5

    bigslok5 Registered Member

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    Take the top cover off. Check the shift forks for wear. I had one that caused it not to shift into gear. Could be the problem.
     
  3. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color="blue">Gotta be in reverse to get the cover off
     
  4. 55Willy

    55Willy 3/4 ton status

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    push in the clutch,LOL

    sorry I couldn't resist.

    why not crack open the inspection covers?
     
  5. HarryH3

    HarryH3 1 ton status Author

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    My '77 used to do that if I shifted it too aggressively. /forums/images/graemlins/frown.gif The tip of the shifter gets jammed between the blocks on the shift forks. The fix is pretty easy though!

    1. Remove the shift boot.
    2. Press down on the dome shaped part right where the shifter enters the tranny
    3. While pressing down, turn the domed part counterclockwise 1/4-turn.
    4. The shifter should now lift right up out of the tranny.
    5. Using a LONG screwdriver, move the shift blocks so that the notches in them line up to form a square. This should be neutral.
    6. Insert shifter. The tip should fit into the square formed in previous step.
    7. Press down on dome shaped part and rotate clockwise 1/4-turn.
    8. Reinstall shift boot.

    /forums/images/graemlins/thumb.gif
     
  6. Confedneck

    Confedneck 3/4 ton status

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    try having someone rock the truck while pulling it out of gear? just a thought...
     
  7. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color="blue">The forks were misaligned, its fixed now. I also welded the roll pin into the shifter, it doesnt have as much play now
     

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