Freightliner shifts to neutral when applying foot brake

Discussion in 'Freightliner Forum' started by Mddiesel, Oct 20, 2016.

  1. Mddiesel

    Mddiesel Bobtail Member

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    Oct 20, 2016
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    Allison world transmission shifts to neutral when applying foot brake as if the parking brake is being applied what could be causing this?
     
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  3. tony97905

    tony97905 Road Train Member

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    Does it shift back to drive when you release the service brake? If so it could be a programming option assuming itshe always done this.
     
  4. JeepJoey345

    JeepJoey345 Bobtail Member

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    world transmission is not an Allison transmission. Do you have a 2000, 3000 or 4000 series? Or something else? What kind of truck, what kind of motor?
     
  5. tony97905

    tony97905 Road Train Member

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    The World moninker is used on the electronic 6 speeds you find in Class A coaches, dump trucks, etc. It IS an Allison transmission though.

    ETA...I believe the 3000/4000 series are the most common "World" transmissions you see in the above applications.
     
    Last edited: Nov 2, 2016
  6. x1Heavy

    x1Heavy Road Train Member

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    It better find a gear when you let go of that brake.
     
  7. JeepJoey345

    JeepJoey345 Bobtail Member

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    Yes they call them 'world' transmissions, but that is not the model of the transmission a 2000 is vastly different then a 3000/4000. Also not stated is what kind of truck it is, so there is no help to give to the OP.
     
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