10 speed Meritor Electric over Air - have only 4th and 9th gears

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by DMVictor, Jan 26, 2022.

  1. DMVictor

    DMVictor Bobtail Member

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    My 2003 Volvo with a 10 speed Meritor Electric over Air transmission has went on the fritz. I have only 4th and 9th gears.

    Anyone ever run into this before ?

    Yes i can shift to high & low but cannot get it into any other gear beside 4th and 9th gear.
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    I do not know those transmission in particular. If it is overdrive in the front box I suspect the teeth are stripped off the counter shaft drive gear. All you have is direct from the input shaft to the main shaft.
    Hope you find an electrical problem that would cause that.
     
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  4. AModelCat

    AModelCat Road Train Member

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    Beat me to it, again.

    Sounds like there'll be some chewed up gears inside.
     
    BoxCarKidd Thanks this.
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