Freightliner 2017 DD15 Engine overhaul

Discussion in 'Ask An Owner Operator' started by freelife2010md, Jun 4, 2021.

  1. AModelCat

    AModelCat Road Train Member

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    An inframe is more or less a major overhaul.

    Keep up on maintenance and monitor your oil samples. Your engine will tell you when its getting tired. Very rare they just up and fail with no warning.
     
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  3. freelife2010md

    freelife2010md Bobtail Member

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    Sorry bro, my mechanical knowledge is not good, would you please explain more so i can understand your recommendations? Thanks
     
  4. freelife2010md

    freelife2010md Bobtail Member

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    Please explain more how do i notice if it needs attention when i check my oil level or did you mean something else by oil samples, i use semi synthetic and i change every 20k miles with all fuel, air and oil filter whenever i change oil i do a full PM. I'm also fixing my APU to avoid a lot of idling this summer
     
  5. freelife2010md

    freelife2010md Bobtail Member

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    What is a dyno ? And yes that's what i've heard rebuilding the engine and keeping it well maintained is better than purchasing a new engine
     
  6. wis bang

    wis bang Road Train Member

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    dynometer runs the engine on rollers while measuring torque and HP output

    Blow-by in a test measuring the amount of combustion gasses that get by the rings and into the crankcase, looking at piston ring and cylinder liner wear.

    Oil analysis is a lab test of a small sample of the drained oil. It looks for increased metals in the old oil, a sign of bottom wear. Done every oil change, any dramatic increase in copper or other metals compared to past samples and is a good indication of changing engine conditions. Sudden increase in metal indicates things are wearing out.
     
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  7. drivinhome

    drivinhome Light Load Member

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    You should do oil samples every 20-25K as preventative maintenance. That will let you know small issues before they become big ones.
    Keep a good eye on your fluid levels. You shouldn’t be adding coolant regularly, oil consumption for most people average around I gallon per 10-15K.
    As long as you keep an eye on these and it stays that way you can put 1million plus on that motor with no issues.
    There is no set time on an inframe it is based on how well you take care of it and keep the idle time down.
     
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  8. Johny41

    Johny41 Road Train Member

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    Think positive stop worrying about in frame expenses , drive in light Crocs shoes, easy on pedal never push it hard, switch to Rottela T6 Synthetic oil, my last truck still running over 2 mil on this oil and keep going.
     
  9. freelife2010md

    freelife2010md Bobtail Member

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    Thanks a lot i really appreciate it, do you recommend some place to do oil change and PM ? some folks here recommend interstate
     
  10. freelife2010md

    freelife2010md Bobtail Member

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    Thanks a lot, that was really helpful
     
  11. freelife2010md

    freelife2010md Bobtail Member

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    Thanks boss for all the info, i really appreciate it
     
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