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2007 Mercedes om460 LA jake brake issues

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Edwarley, Mar 26, 2017.

  1. Mar 26, 2017 #1
    Edwarley

    Edwarley Bobtail Member

    2
    0
    Mar 26, 2017
    0
    hello everyone,recently bought a 2007 sterling with Mercedes OM460 La on it,Truck runs very good,strong,but when I apply the jake brake, trucks automatic loses power,sounds strange and notice smoke come from somewhere under the hood too,very frustrated because truck seems very nice until this happens,anyone can guess what's going on with the engine brakes?
     
    Edwarley, Mar 26, 2017
    Edwarley, Mar 26, 2017
    #1
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  3. Mar 26, 2017 #2
    me myself and I

    me myself and I Heavy Load Member

    735
    312
    Oct 5, 2009
    vernon hills,Il
    0
    Do they have Jake brakes or exhaust brakes?
     
    me myself and I, Mar 26, 2017
    me myself and I, Mar 26, 2017
    #2
  4. Mar 27, 2017 #3
    little cat 500

    little cat 500 Road Train Member

    2,055
    1,100
    Jan 17, 2010
    Abbottstown PA
    0
    I thought the Mercedes only had exhaust brake ​
     
    little cat 500, Mar 27, 2017
    little cat 500, Mar 27, 2017
    #3
  5. Mar 27, 2017 #4
    Edwarley

    Edwarley Bobtail Member

    2
    0
    Mar 26, 2017
    0
    It's a engine brake with hi lo button on the dash
     
    Edwarley, Mar 27, 2017
    Edwarley, Mar 27, 2017
    #4
  7. Mar 27, 2017 #5
    Animosus

    Animosus Heavy Load Member

    730
    2,892
    Dec 7, 2015
    SE Wyoming
    0
    They have constant throttle valves and an exhaust brake. Basically instead of having an oil actuator on a rocker that opens the exhaust valves. It has a dedicated valve in the cylinder head.
     
    Animosus, Mar 27, 2017
    Animosus, Mar 27, 2017
    #5
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