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.
1994 Detroit 60 Series 12.7 jake brake problem.
Discussion in 'Freightliner Forum' started by davis28905, Sep 15, 2021.
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Forgot to add it's a 1995 Freightliner FLD120 with a 1994 DDEC III 360hp motor. Thanks again.
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Adjusted to tight.
Be my guess
https://pdf4pro.com/amp/cdn/12-2-1-slave-piston-adjustment-jake-brake-lash-5a19ab.pdfRideandrepair Thanks this. -
Probably a stuck solenoid, or sticking piston.
Magoo1968 and Rideandrepair Thank this.
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