allison mn3000 engine brake downshift?

Discussion in 'Class A / Diesel Pushers' started by Metalman, Aug 4, 2008.

  1. Metalman

    Metalman New Member

    Allisonman... How do i reprogram the trans to not downshift when engine brake is used. I would like to downshift it manulaly.
     
  2. Metalman

    Metalman New Member

    Re: allison mn3000 engine brake downshift?

    From metalman...Went to valley GM in fresno..they reprogramed my trans to preslect 5th gead instead of 2nd. Much better can also manuly downshift it......
     
  3. C Nash

    C Nash Senior Member

    Re: allison mn3000 engine brake downshift?

    Thanks for the update Metalman :approve: Sorry no one here had an answer and the Allisonman seems to no longer be around.
     
  4. LEN

    LEN Senior Member

    Re: allison mn3000 engine brake downshift?

    What did they charge for the reprogram? That sounds sweet, seems so much of the time I would like a higher gear for the brake.

    LEN
     
  5. dbarton291

    dbarton291 Senior Member

    RE: allison mn3000 engine brake downshift?

    never mind.......I just noticed you did get it reprogrammed. It takes the Allison reprogramming tool/software to do that.
     
  6. Metalman

    Metalman New Member

    Re: allison mn3000 engine brake downshift?

    LEN.... Valley GMC/ALLISON charged me $200.00. They also told me that it would be no charge if i didnot like it set to 5th gear and would like to change it again. Seems to work good, it preselcts 5th gear and you can manualy downshift it fron there. If you have any questions just ask... Thanks for your intrest... Metalman...
     

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