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Turbo actuator fault and loud noise

Discussion in 'Peterbilt Forum' started by Yevgeniys95, Dec 3, 2017.

  1. Dec 3, 2017 #1
    Yevgeniys95

    Yevgeniys95 Bobtail Member

    8
    1
    Dec 3, 2017
    0
    like the title says, I have a turbo actuator fault and a unbareable loud knocking noise coming from the motor as you try to accelerate. The truck is not driveable due to this, no shop seems to want to work on in since we had the DEF system taken out.
    Please help, its a 2010 peterbuilt cummins isx
     
    Yevgeniys95, Dec 3, 2017
    Yevgeniys95, Dec 3, 2017
    #1
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  3. Dec 3, 2017 #2
    Snailexpress

    Snailexpress Road Train Member

    2,675
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    Apr 28, 2014
    Rocky
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    try to locate exact where knock is coming from. Most likely turbo is gone.
     
    Snailexpress, Dec 3, 2017
    Snailexpress, Dec 3, 2017
    #2
  4. Dec 4, 2017 #3
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Jul 16, 2012
    Bentonville Arkansas
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    Check the turbo exhaust. I bet it's bad
     
    TruckerPete1990, Dec 4, 2017
    TruckerPete1990, Dec 4, 2017
    #3
  5. Dec 6, 2017 #4
    Yevgeniys95

    Yevgeniys95 Bobtail Member

    8
    1
    Dec 3, 2017
    0
    I will keep you guys update
     
    Yevgeniys95, Dec 6, 2017
    Yevgeniys95, Dec 6, 2017
    #4
  7. Dec 14, 2017 #5
    Brandt

    Brandt Road Train Member

    4,405
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    Sep 17, 2012
    0
    Pittsburgh Power works on all trucks. If you anyplace near PA. They work on the new emission engines and the older pre emission engines. They claim they can fix the problems others can't.
     
    Brandt, Dec 14, 2017
    Brandt, Dec 14, 2017
    #5
  8. Dec 14, 2017 #6
    x1Heavy

    x1Heavy Road Train Member

    34,017
    42,129
    Mar 5, 2016
    White County, Arkansas
    0
    Knocking?

    Take a number two pencil, put it on each of the cylinders at the head. See if you can detect the tapping through the pencil.

    Deisels don't knock... they run by very high compression until the fuel itself spontaneously ignites as the piston is very close to the top.

    The newer turbos are excessively easy to break. Slap a big older one on there.
     
    x1Heavy, Dec 14, 2017
    x1Heavy, Dec 14, 2017
    #6
  9. Oct 5, 2023 #7
    Mindyloo21

    Mindyloo21 Bobtail Member

    1
    0
    Oct 2, 2023
    0
    On this problem did you ever figure out what the loud knock was?
     
    Mindyloo21, Oct 5, 2023
    Mindyloo21, Oct 5, 2023
    #7
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