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  1. #1
    RC Enthusiast
    Join Date
    Dec 2011
    Location
    Dennis Port,MA.
    Posts
    28

    T-maxx 2.5 transmision problems

    Hi, im haveing a problem with my Tmaxx 2.5 transmision. When the spur gear spins the out put shafts don't spin. Even when i push the tmaxx the spur won't spin eather. I took the transmision appart all the gears seem fine. The transmision has reverse also. I tryed both reverse, and forward nothing seems to work. Any ideas what the problem might be?

  2. #2
    RC Qualifier
    Join Date
    Feb 2011
    Posts
    392
    There is a pin on the primary shaft that could have broke take the primary shaft gears off and check the pins
    drive it like you stole it

  3. #3
    RC Enthusiast
    Join Date
    Dec 2011
    Location
    Dennis Port,MA.
    Posts
    28
    Okay, i'll check that out and let you know. Thanks

  4. #4
    RC Turnbuckle Jr. Snook Man's Avatar
    Join Date
    Jan 2008
    Location
    Sugar Hill Ga.
    Posts
    8,387
    2.5 (black) transmission with reverse: You can not spin the spur gear fast enough by hand to make the output shaft turn, or make the spur spin by pushing the truck forward or backwards. Thats just the way it is designed with the internal clutch mechanisms.
    No slipper/tall gearing/power = broken parts.

  5. #5
    RC Qualifier
    Join Date
    Jun 2012
    Location
    i don't know
    Posts
    551
    I agree with checking the pins. I heard a whirring noise from my 2.5 the other day and it wouldn't move. I opened up the tranny and the gear was spinning on the shaft when the pin was broken. At least this part breaks before gears strip. Much cheaper.
    Cars: erevo vxl, 1/16 summit, stampede vxl, tmaxx

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