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75w-140 accidental fill

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Tac2021, Jun 27, 2023.

Page 2 of 2
  1. Jun 28, 2023 at 6:42 AM
    #21
    3JOH22A

    #21
    3JOH22A トヨタ純正男娼

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    ^Notice the viscosity drops by an order of magnitude from 40 to 100C.

    93 vs. 184 cSt is actually considered a small difference, that's why they're in the same viscosity class. i.e. another company's 75W90 may be 180 cSt when cold and still be sold under the same 75W90 specification.

    Just as an example: Castrol 75W90 with 132 cSt viscosity at 40C: https://msdspds.castrol.com/bpglis/...299DD58802583FA00671A17/$File/BPXE-BCA8RK.pdf
     
    Last edited: Jun 28, 2023
    3JOH22A, Jun 28, 2023
    #21
  2. Jun 28, 2023 at 7:03 AM
    #22
    BLtheP

    #22
    BLtheP Constantly Tinkering Member

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    Yeah, none of it really matters that much. When warm, they are all very close. Even the thinnest oil when cold is thicker than the thickest warm oil. Just wanted to clarify that they are not "the same," even though they're both 75W and that the number that sticks to strict thicknesses at specific temperatures is the second number.
     
    BLtheP, Jun 28, 2023
    #22
  3. Jun 28, 2023 at 7:12 AM
    #23
    goingplacesanddoingstuff

    #23
    goingplacesanddoingstuff Well-Known Member

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    Either way, splash lubed differentials are not nearly as sophisticated as engines. As long as pretty much any weight (within reason) of the proper GL rating oil is in there, it’ll be fine. If anything a heavier weight might be slightly superior to the CAFE specs that Toyota adheres to.
     
    goingplacesanddoingstuff, Jun 28, 2023
    #23
  4. Jun 28, 2023 at 7:15 AM
    #24
    Silver-Taco1

    #24
    Silver-Taco1 Well-Known Member

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    Leave it-- they all taste the same.
     
    Silver-Taco1, Jun 28, 2023
    #24
    Ricardo13x likes this.
  5. Jun 28, 2023 at 9:19 AM
    #25
    Ricardo13x

    #25
    Ricardo13x YT: @UrbanOpsOffRoad IG: @urban.ops.offroad

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    Ricardo13x, Jun 28, 2023
    #25
    Speedbird and Gmak621 like this.
  6. Jun 28, 2023 at 12:20 PM
    #26
    BUZZCUT

    #26
    BUZZCUT Well-Known Member

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    Run it till next service, It'll be okay. Don't waste your money prematurely.
     
    BUZZCUT, Jun 28, 2023
    #26
  7. Jun 28, 2023 at 2:33 PM
    #27
    raw2136

    #27
    raw2136 My Pro-Nouns are Dude/Bro

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    There is no way my OCD would survive this. I vote to change it out with no supporting logic other than I am freaking out just knowing you did this to your truck.LOL
     
    raw2136, Jun 28, 2023
    #27
    22Coma6MT and -Rorschach- like this.
  8. Jun 28, 2023 at 3:41 PM
    #28
    CousinDupree

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    CousinDupree Member

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    75w107.
     
    CousinDupree, Jun 28, 2023
    #28
  9. Jun 28, 2023 at 3:56 PM
    #29
    Tac2021

    #29
    Tac2021 [OP] Well-Known Member

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    I do plan to change it out before this fall when I do the rear differential. I will read the labels really careful this time.
     
    Tac2021, Jun 28, 2023
    #29
  10. Jun 28, 2023 at 4:02 PM
    #30
    ColoradoTJ

    #30
    ColoradoTJ Retired cat herder Moderator

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    I'm pretty sure I would have had an accidental drain and refill instead of starting a thread about it. :D
     
    ColoradoTJ, Jun 28, 2023
    #30
    Speedbird likes this.
  11. Jun 29, 2023 at 4:31 AM
    #31
    Tac2021

    #31
    Tac2021 [OP] Well-Known Member

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    none yet
    So what do you mean? What are you saying? That this never happened? Thanks bud.
     
    Last edited: Jun 29, 2023
    Tac2021, Jun 29, 2023
    #31
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Products Discussed in

Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
$28.00
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