I have a 18 speed transmission that goes thru every gear on high and low range but I have to keep splitter in the high. ( aka I have to keep the side button forward.) so I really been driving it like a 10 speed.
every time I try to push the side button back into low side it grinds. I been driving like this since holidays are upon us I want to fix it.
anyone ever have this issue and what caused? It or if you have any idea where I should start let me know.
18 speed transmission grinding
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by united972, Dec 9, 2021.
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The splitter slide collar is most likely worn out. The back box is an under drive unit and only turns when the button is in the direct position.
Basically you need the back box rebuilt. I would look at all of it. -
Concorde Thanks this.
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