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Thread: Turbo Surging at Idle with Exhaust Brake

  1. Top Of Page | #11
    Basic Member Dweldy's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    I have a 2013 I have owned since new.

    Tuned/studded/dual disc at 15k almost 80k now and it has just started doing this.

    It sounds terrible and my butt dyno says it runs better some days than others so I'm thinking my actuator is acting up.


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  3. Top Of Page | #12
    MOD watersupply189's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Quote Originally Posted by Dweldy View Post
    I have a 2013 I have owned since new.

    Tuned/studded/dual disc at 15k almost 80k now and it has just started doing this.

    It sounds terrible and my butt dyno says it runs better some days than others so I'm thinking my actuator is acting up.
    Welcome friend


    2016 Ram Laramie 3500 (DRD), G56, 6.7, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

  4. Top Of Page | #13
    mseitz24's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Mine does it too, like a woosh woosh woosh just after starting in the cold.

    I noticed after deleting and just assumed it was due to that.

    2013 CCSB 2500 G56 Tradesman

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  6. Top Of Page | #14
    northstarfire0693's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    I don't think it will be an issue.

    My 17 does the same thing in the cold (deleted and tuned) and I have not seen any problems.

    I have seen the same on my new ride (new to me) and that truck is all stock.

    It sounds like crap, but like Ray said it does not cause any issues.

    2006 2500 QC Laramie 5.9 (Sold in 2016). 2017 3500 DRW CC Laramie, Loaded. MM3 tuned by DRD. 4" SS by Jamo. 68REF, 4.10 Rears. (Sold). 2018 3500 DRW Longhorn CC AISIN 4.10's. On a good health care plan by DRD.

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  8. Top Of Page | #15
    BlackBart's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    It’s a Cummins. They make noise.

    Worry when they STOP makin noise



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  10. Top Of Page | #16
    Shusaim's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Just registering present - I have the same surging of the exhaust brake now that the truck is deleted (2013 MM3 tunes, 5" turbo back). It happens as soon as the truck is started, then stops once it goes into high idle.
    @DRD - going to do some experimentation if I can ascertain if it is temperature dependent. It did not occur until it started to get cold out; so wondering if there is a specific temp that kicks off some oddity? Will report back...


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  12. Top Of Page | #17
    DRD's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Quote Originally Posted by Shusaim View Post
    Just registering present - I have the same surging of the exhaust brake now that the truck is deleted (2013 MM3 tunes, 5" turbo back). It happens as soon as the truck is started, then stops once it goes into high idle.
    @DRD - going to do some experimentation if I can ascertain if it is temperature dependent. It did not occur until it started to get cold out; so wondering if there is a specific temp that kicks off some oddity? Will report back...
    Cold temps trigger warm up mode.

    Warmup mode puts a load on the turbo and its components.

    Things can stick, actuators can not play nice and the exhaust back pressure circuit can send mixed signals.

    All of the above can cause turbo pulsation.

    Unfortunately you can hear it all happen once the truck has an open exhaust as where it wasn't heard before.

    Ray,
    Double R Diesel

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


  13. Top Of Page | #18
    TheJonJon's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Quote Originally Posted by BlackBart View Post
    It’s a Cummins. They make noise.

    Worry when they STOP makin noise
    BEST ANSWER EVER!!!!


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  15. Top Of Page | #19
    TheJonJon's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Mine does the same when it's cold in the mornings.

    Don't worry about it.


  16. Top Of Page | #20
    Abgunnar's Avatar

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    Re: Turbo Surging at Idle with Exhaust Brake

    Mine does it also it’s the grid heater pulling the voltage down if you watch as soon as voltage goes back up the truck smoths out.

    If you disconnect hot wire to the relay for grid heater and start it I bet there won’t be surging I’ve tried it.

    2014 2500 on Fuel rims, custom aluminum grill emblem, mm3 DRD tuned, 4” jamo tbe exhaust, led fog lights, steering box brace, took Vinyl off doors.

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