Eaton fuller 10 speed hi low does not shift

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Abdul1974, Jan 12, 2019.

  1. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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    Hello
    Nees advice on 10 speed eaton fuller transmission. Hi low gear not shifting. We took transmission cover still can not figure out. Change air module because it was leacking air under. Volvo d 13 truck
     
  2. C15Mike

    C15Mike Light Load Member

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    Sep 15, 2016
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    Almost sounds like the range piston on the back side of the trans or range slave valve, can you hear air leaking when you shift from low to high or vice versa?
     
  3. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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    When low constant air leakage
    We cleaned piston was some rust
    We will try to check range slave valve if i have that.
    Thanks
     
  4. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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  5. Nothereoften

    Nothereoften Light Load Member

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    Air line to back of ttransmyis where I've seen that problem on a 13 before
     
  6. C15Mike

    C15Mike Light Load Member

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    Sep 15, 2016
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    located on the top side of trans on driver side should have air lines going to it
     
  7. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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  8. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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    We got new air module
    On top i can see only this on the cover. Will check more on top now
     
  9. Abdul1974

    Abdul1974 Bobtail Member

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    Jan 12, 2019
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  10. WrenchWrenchWrench

    WrenchWrenchWrench Light Load Member

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    Jan 3, 2016
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