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To change engine oil - HOT or COLD?

Discussion in 'General Tundra Discussion' started by haring, Jan 23, 2018.

  1. Jan 23, 2018 at 4:12 PM
    #1
    haring

    haring [OP] New Member

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    I always change my engine oil hot.
    I have changed my Tundra's engine oil cold a week ago.

    What are the plus and minuses of changing engine oil hot or cold?

    Cold: oil flows slower so you need more time. At the same time, people say the heavier dirty oil, sitting at the bottom of the oil pan, comes out first.
    Hot: faster oil change.

    What do you think?
     
  2. Jan 23, 2018 at 4:17 PM
    #2
    Frkypunk

    Frkypunk "If a man is to be a street sweeper"

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    I think just changing your oil.....is all that people need to worry about. Hot or cold at least it’s fresh oil.
     
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  3. Jan 23, 2018 at 4:19 PM
    #3
    tomsinamerica

    tomsinamerica New Member

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    not sure i buy into the "heavier" dirtier oil at the bottom comes out first.

    What would come out first is water, if you had any in your oil, since the oil would float on top of that. For a DD, there should be next to zero moisture in the oil, so if you're changing oil and water's coming out first, you've got bigger problems than an oil change.

    I change mine hot. you'll get more out due to the lower viscosity.
     
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  4. Jan 23, 2018 at 4:26 PM
    #4
    Danimal86

    Danimal86 What's a Dickfir?

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    I thought it was all about getting the dirt/particulate in suspension prior to draining.
     
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  5. Jan 23, 2018 at 4:33 PM
    #5
    tomsinamerica

    tomsinamerica New Member

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    i agree with that too but we should be talking very small dirt particles else we need better filters
     
  6. Jan 23, 2018 at 5:50 PM
    #6
    ldale

    ldale New Member

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    With 0w20 oil, changing it cold would be the lower viscosity.
     
  7. Jan 23, 2018 at 5:56 PM
    #7
    trayday

    trayday New Member

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    Mine is changed hot, only cuz I drive it to the dealer. Yamaha recommends an engine to be running before turning off and changing the engine oil.
     
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  8. Jan 23, 2018 at 5:57 PM
    #8
    scs_vuth

    scs_vuth New Member

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    I usually change my oil warm. Best of both world.
     
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  9. Jan 23, 2018 at 6:24 PM
    #9
    tomsinamerica

    tomsinamerica New Member

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    Not sure about the logic behind that....
     
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  10. Jan 23, 2018 at 6:43 PM
    #10
    Ericsopa

    Ericsopa Old man and the sea

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    :confused::rolleyes:
     
  11. Jan 23, 2018 at 6:46 PM
    #11
    Ericsopa

    Ericsopa Old man and the sea

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    Yeah, why not just wait until it's -15° in that case, and change it out on your driveway.
     
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  12. Jan 23, 2018 at 8:40 PM
    #12
    bobeast

    bobeast really old member

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    - Bull Bar - LED Bunny Burners - AMP retractable running boards - Headlight leveling retrofit - P3 Brake Controller - 60% rear seat delete - relocation of Sub to rear wall - Bilstein 5100 x4, top setting with 2 shims per side - Coach builder +2 rear shackles w/carrier bearing drop - Firestone Air bags - on-board compressor with auto-leveling - Dual Undercover Swing Boxes. - P285/65/R20 (34.6") BFG TA KO2's - TRD Front skid plate - Pop & Lock Tailgate lock - Remote Tailgate mod - LED Headlights - Nav Bypass - iPhone integration - Serius/XM retrofit - 25% front tint - Bizon electric tonneau cover - Power folding tow mirror upgrade - 2010+ leveling Headlight mod - Auto-fold mirror mod. - one-touch lane changer mod - Flash to open garage opener mod - Rigid H/L fog light upgrade - Pushbutton / Remote start mod.
    I think this fits firmly in the over-thinking category.
     
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  13. Jan 23, 2018 at 8:41 PM
    #13
    Darth Tundra

    Darth Tundra I AM....YOUR FATHER

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    THIS ^^^^^^^^^
     
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  14. Jan 23, 2018 at 8:43 PM
    #14
    Darth Tundra

    Darth Tundra I AM....YOUR FATHER

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    The warmer the oil....the more you drain out......getting most of the old oil DRAINED as possible
     
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  15. Jan 23, 2018 at 8:52 PM
    #15
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL RÖCKIN' N RÖLLIN'

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  16. Jan 23, 2018 at 8:54 PM
    #16
    Darth Tundra

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    Hot ???
     
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  17. Jan 23, 2018 at 8:55 PM
    #17
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL RÖCKIN' N RÖLLIN'

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    Yes
     
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  18. Jan 23, 2018 at 8:58 PM
    #18
    Darth Tundra

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    I know you want to drain it hot....my question was "does caliente mean hot in English ?...:smack:......WHO'S YOUR DADDY ???? .....THATS RIGHT.....I AM...
     
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  19. Jan 23, 2018 at 8:59 PM
    #19
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL RÖCKIN' N RÖLLIN'

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    Ass
     
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  20. Jan 23, 2018 at 9:04 PM
    #20
    Darth Tundra

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  21. Jan 23, 2018 at 9:06 PM
    #21
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL RÖCKIN' N RÖLLIN'

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  22. Jan 23, 2018 at 9:07 PM
    #22
    Darth Tundra

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    Lol.....:drunk:
     
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  23. Jan 23, 2018 at 9:11 PM
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    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL RÖCKIN' N RÖLLIN'

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    Any mods lately?
     
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  24. Jan 23, 2018 at 9:19 PM
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    Darth Tundra

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    Depends on what you know of what I've done in the last 4 months ...lol....you can see in my albums page
     
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  25. Jan 24, 2018 at 3:06 AM
    #25
    Tundraplatinum

    Tundraplatinum New Member

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    If your running full synthetic oil it's viscosity is not really affected by temperature that's one of the benefits of synthetic so no need to try to burn yourself.
     
  26. Jan 24, 2018 at 4:32 AM
    #26
    Ps3udonymous

    Ps3udonymous Who is the smart ass that changed the title?

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    Drain it with engine running, cycles all the dirty oil out of the crevices.
     
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  27. Jan 24, 2018 at 4:46 AM
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    ldale

    ldale New Member

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    This ^^ was my logic. I agree most will drain their oil when the engine was been warmed, as do I. My point was that the Viscosity actually Increases with the rise in engine temp, talking about Multi Vis oil here (0w20, 15w30 ect....).
     
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  28. Jan 24, 2018 at 5:03 AM
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    OBXTundra

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    Warm.

    I also run magnets on my drain plug.

    My understanding of multi-viscosity oil. The oil is not "thinner" at lower temps. Take 0w20 for example. At say 0 degrees (I'm not sure what they use for actual testing and rating) the oil has the properties of a 0w oil. But at say 200 degrees the oil has the properties of a 20w oil. The 20w oil at 200 degrees will still be "thinner" than the 0w oil at 20 degrees. It's merely how the oil reacts at different temperatures. It's all about trying to keep more of a linear curve as the oil heats up, the oil still thins out, just not as fast as if it were a straight-weight oil.
     
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  29. Jan 24, 2018 at 5:17 AM
    #29
    ldale

    ldale New Member

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    Well said ^. Agree 100%. Ambient temperature does need to be factored in.
     
  30. Jan 24, 2018 at 6:08 PM
    #30
    Ericsopa

    Ericsopa Old man and the sea

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    No it doesn't. It just doesn't thin as much as the lower index would in a straight weight oil.


    Oh....well, guess that was settled in subsequent posts.
     
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