Engine brake on 2011 Prostar

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Battle Born, Sep 2, 2014.

  1. Battle Born

    Battle Born Heavy Load Member

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    It has the cummins ISX, and I'm wondering if there is a way to make the engine brake stronger. I have some experience with a 2013 and know that the engine brakes are weak, but it was also a fleet truck. This one is going to be an ex fleet rig as well. Any advice on this?

    Thanks in advance!
     
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  3. Heavyd

    Heavyd Road Train Member

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    Keep your rpms up. If it feels weak as if there is something wrong you may be due for a tune up. You may have a solenoid that is not working and you should also have Insite connected to see if the ECM is seeing 100% request from the cab computer.
     
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  4. not4hire

    not4hire Road Train Member

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  5. texasmorrell

    texasmorrell Medium Load Member

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    My engine break was weak as well until I had an overhead set done. I also had them replace the engine break wiring harness. After that the engine break was much much stronger.
     
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  6. russtrucker

    russtrucker Road Train Member

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    If you're talking about maxxforce. That explains everything.
     
  7. 88 Alpha

    88 Alpha Trucker Forum STAFF Staff Member

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    Missed it by that much.
     
  8. russtrucker

    russtrucker Road Train Member

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    between 2011 and 2014 model year, they didn't had cummins in those trucks. After 2013, they placed cummins back in them with def this time.
     
  9. Battle Born

    Battle Born Heavy Load Member

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    Scandia, Mn
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    this is false. I'll prove it in a second when I wake up a little more.
     
  10. Battle Born

    Battle Born Heavy Load Member

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    Feb 26, 2014
    Scandia, Mn
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    Though this isn't the one I'm looking at, here's one.

    [​IMG][​IMG]
     

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  11. russtrucker

    russtrucker Road Train Member

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    Some engines were on internationals in 2011 but not in 2012.
     
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