Oil change

Discussion in 'Ask An Owner Operator' started by Ikamob01, Nov 29, 2022.

  1. Ikamob01

    Ikamob01 Light Load Member

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    Should I run my truck before I change the oil Or change the oil first thing in the morning?
     
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  3. Judge

    Judge Road Train Member

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    More info…
    New to you truck?
    How many miles?
    When did you last change it.
    Where is your current level/texture/smell of oil on the stick?
     
  4. Ikamob01

    Ikamob01 Light Load Member

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    Just look at it from a general perspective.
     
  5. InTooDeep

    InTooDeep Donner party survivor

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    Warm oil drains better also drains more gunk out
     
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  6. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    I've done it in my car lots of times. All the oil has drained to the pan, right ? I guess you could argue cold oil will adhere to the pan a little bit, but you will not get every bit of it out. A miniscule amount won't hurt anything. Jiffy lube used to say "10 min oil change" but I prefer to leave the drain plug out for a good 30 min, not 3 min.
     
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  7. 77fib77

    77fib77 Road Train Member

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    Run it till temp is like 100'F. It won't burn you then and it will flow better.
     
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  8. aussiejosh

    aussiejosh Road Train Member

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    Its up to you really it will drain better if it is warm, but you can drain it cold, I'd just wait a lot longer before refilling the crankcase, however personally I'd rather warm it up first, for 15 minutes put some engine oil flush in it if it's an older motor, then drain it. I'm going to go back to changing my own oil after recently getting someone else to do the task not only did they charge like an angry rhino but over filled the sump.
     
  9. Goodysnap

    Goodysnap Road Train Member

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    Any engine should be warm when draining the oil for service. When filling the engine this is easier as well as the oil drains back fast as the engine is allready warm. Filling a cold engine is very easy to overfill.
     
  10. scoobertdoo

    scoobertdoo Road Train Member

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    Doesn't matter at all. It's a 13 gallon change, leaving even a gallon in there isn't hurting anything. I stopped changing my oil. I just do filter changes, with a bypass filter. 1 year later, synthetic looks brand new and clear.
     
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  11. lester

    lester Road Train Member

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    I do both ways, just depends. I like doing it cold if I have the time. If I'm in a hurry I drop it when I get done for the day.

    Funny story. Years ago we were working on equipment. My brother tells this kid "hey go start that stationary engine, let it run for a while then change the oil" kid looks at my brother with a confused look on his face and says "OK but I've never changed oil with the engine running before"
     
    Ikamob01, Albertaflatbed and Concorde Thank this.
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