Grinding

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by steve092, Sep 13, 2021.

  1. steve092

    steve092 Light Load Member

    295
    79
    Dec 7, 2015
    0
    Hi guys, I got a truck with a heavy 13 speed manual transmission. I have an issue that just came up where the truck grinds in 3rd and12th. It feels like the gear is not going in all the way with a spinning grind in the shifter and hear it outside the vehicle.

    Grinds louder and faster when accelerating.

    The small splitter box bottom left on back of transmission looks wet with gear oil.

    Could that be the issue?
     
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  3. Lester Hon

    Lester Hon Bobtail Member

    13
    4
    Dec 30, 2017
    0
    Sounds like a syncronizer might be going out if it starts spitting out of gear. Time to build it.
     
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