3406e keeps frying one cylinder

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Cory wood, Apr 27, 2016.

  1. Oxbow

    Oxbow Road Train Member

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    Okay, I'm no mechanic and if this is a stupid suggestion I own it:
    Is it possible that the oiler is bent or damaged in some fashion that the piston is not getting lubricated?
     
    SAR Thanks this.
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  3. Cory wood

    Cory wood Medium Load Member

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    We replaced it with a new one the second go round, we replaced all of them and checked them each and every time we have had it apart.
     
    Oxbow Thanks this.
  4. Superhauler

    Superhauler TEACHER OF MEN

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    did you get the oil coolers that match the c-16 pistons? I would also check and see if there is a restriction for the oil feed for that particular cooler.
     
    Oxbow Thanks this.
  5. SmokinCAT

    SmokinCAT Road Train Member

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    This exactly, pull the pugs on the outside of the block and remove the oiler and flush towards the large plug at the rear of the block.
     
    Oxbow Thanks this.
  6. Cory wood

    Cory wood Medium Load Member

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    We put a different block in it this last time. We also cleaned and checked everything and it still did it. I am thinking it has to be the tune or something since there's a different sound to it at idle and it has a slight hesitation in the motor when it's pulling, guessing number 5 cylinder is the culprit.
     
  7. allan5oh

    allan5oh Road Train Member

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    Yup it does sound like an piston oiler issue. Timing could be too advanced as well. Has rod length been checked?
     
  8. Cory wood

    Cory wood Medium Load Member

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    They are all brand new cat rods, new Pistons, new liners, reman block and crank. New head and all new oilers, so it is not an oiler. It's been the same cylinder every time with the old and new block, with old and new oilers and injectors. Has to be the end at this point screwing something up. Gonna put back together and try out 550 5ek test ecm on it.
     
  9. allan5oh

    allan5oh Road Train Member

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    Then it's the program.. Pushing too much fuel or timing.
     
  10. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    I'm running the 1LW 550 BS file on my stock 5EK w/(58's) with the upgraded B/W turbo. I know my block weaknesses and limitations. This set up works perfectly for me.
     
    Oxbow Thanks this.
  11. Vinny aldo

    Vinny aldo Bobtail Member

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    I had 3406b burn up #5 three times end up being radiator was plugged inside
     
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