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