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Thread: 68RFE Trans Will Load Up And Stall Engine

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    Ben couch's Avatar

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    68RFE Trans Will Load Up And Stall Engine

    It's an ATS build trans (stage 2) and is 11 years old.

    Once the Transmission is up to mild temp 100+-, if you stop the truck with the gear selector still in D after 15-18 seconds, you can hear a tone change as the engine begins to load on it.

    If you don't release the brake pedal, it will stall the engine or push through the breaks.

    If you place the trans in N, the event will not occur.

    No other issues can be identified to help diagnose.

    ATS diesel had suggested a clogged trans cooler not flowing enough would cause a back feed issue and apply unwanted pressure to clutch packs.

    I installed a Mishimoto trans cooler and same issue.

    Any tips or tricks would be very appreciated.


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    nitsuj08's Avatar

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    Re: 68RFE Trans Will Load Up And Stall Engine

    Possible bad solenoid? Maybe TC is going bad?

    I installed an ATS separator plate, and I wasn’t paying attention and installed the gaskets wrong, preventing wrong flow where fluid needed to go for the solenoid.

    I was getting the same symptoms as your mentioned.

    Thankfully nothing was damaged; hopefully, this helps.

    2008 3/4ton Long Bed
    68RFE - ATS Separator/Accumulator plate
    Deleted
    VGT Switch
    Catchcan - CCV delete
    H&S MM,Banks gauges-EGT,PSI
    285/70R17 Vision-tactical

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