1994 Detroit 60 Series 12.7 jake brake problem.

Discussion in 'Freightliner Forum' started by davis28905, Sep 15, 2021.

  1. davis28905

    davis28905 Bobtail Member

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    Sep 15, 2021
    0
    My 4cyl jakes act like they don't turn off when you hit the accelerator, clutch or even turn the switch off. They sound like they keep running for a few seconds after they should have cut off completely. 2cyl jakes work fine. Need to find a solution quick as this is my main rig. Thanks.
     
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  3. davis28905

    davis28905 Bobtail Member

    2
    0
    Sep 15, 2021
    0
    Forgot to add it's a 1995 Freightliner FLD120 with a 1994 DDEC III 360hp motor. Thanks again.
     
  4. MLC Adventures

    MLC Adventures Medium Load Member

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    May 2, 2021
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    Probably a stuck solenoid, or sticking piston.
     
    Magoo1968 and Rideandrepair Thank this.
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