Detroit 60 turbo spools up and then we loose power

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by CGYMIKE, Aug 9, 2020.

  1. CGYMIKE

    CGYMIKE Bobtail Member

    11
    4
    Dec 14, 2019
    Calgary
    0
    Should have given a better title

    Specs
    2009 Freighliner columbia
    Detroit 60
    Million+ kms (shes old but has been strong)
    Literally a brand new turbo actuator yesterday
    Engine has been deleted

    Short breakdown of the problem... while bobtailing the engine runs fine. But under heavy load is when the real troubles start.
    Had this truck back and fourth twice to freightliner and still can’t seem to figure this out.

    Under heavy load as soon as the turbo spools up to max pressure were hearing a strange “flutter” and then a whistle and then the motor cuts out and we loose all power. The yellow check engine comes on and then de-rates the motor and the only way to “reset” is to shut the motor off and back on.

    The only codes that seem to keep coming up are the “turbo actuator” and so weve now put a new one on and its still doing it.

    any suggestions??
     
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  3. Judge

    Judge Road Train Member

    2,182
    9,296
    Mar 19, 2014
    Newport, Ar
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    I got into this a year or two back.
    They had a recall on actuators and turbos on the isx cummins.
    I’d take it back to the place you got it and paperwork, they may exchange it, they did mine, took 3 to get a good one, one ruined a turbo, it dumped antifreeze into it.
     
    650cat425 Thanks this.
  4. StrokerTSi

    StrokerTSi Medium Load Member

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    Aug 28, 2016
    0
    Did they adjust the actuator after replacing it, the detroit ones just don't bolt on and go.

    Why I didn't just replace my actuator, 171702 ftw.
     
  5. bad-luck

    bad-luck Road Train Member

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    Nov 16, 2013
    Baltimore, Maryland
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    Have you had the vpod checked to make sure it is working properly? The vpod controls the actuator
     
  6. CGYMIKE

    CGYMIKE Bobtail Member

    11
    4
    Dec 14, 2019
    Calgary
    0
    hmm my truck has an electric vpod im told
     
  7. CGYMIKE

    CGYMIKE Bobtail Member

    11
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    Dec 14, 2019
    Calgary
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    yup they did calibrate it. It took them a few tries but they showed they got it
     
  8. bad-luck

    bad-luck Road Train Member

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    Nov 16, 2013
    Baltimore, Maryland
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    Unless your truck has a non VNT Turbo
     
  9. CGYMIKE

    CGYMIKE Bobtail Member

    11
    4
    Dec 14, 2019
    Calgary
    0
    mine is electronic yup.

    freightliner has had the truck for 2 days now and i think they are stumped. The power keeps cutting out right at the top end of the boost on the turbo.
     
  10. bad-luck

    bad-luck Road Train Member

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    Nov 16, 2013
    Baltimore, Maryland
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    Ok, I sounds like it.
     
  11. CGYMIKE

    CGYMIKE Bobtail Member

    11
    4
    Dec 14, 2019
    Calgary
    0
    So I just wanted to reply to this in case anyone sees this in the future.

    So after all this....
    - swapped out ecm for another deleted one (didn't fix)
    - new turbo actuator (didn't fix)
    - found wiring harness broken at the MCM so we were having trouble communicating with the truck (partial fix) glad we found this
    - replaced the manifold as we thought this was causing the truck to loose pressure when the turbo spooled up to max (didn't fix)

    Finally after all this we decided to replace the turbo (even tho we all thought it looked good) hope this helps someone someday.
     
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