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Ravenol Transfer Case Fluid

Discussion in '2.5 Gen Tundras (2014-2021)' started by bigfoot17, Jun 11, 2025.

  1. Jun 11, 2025 at 1:11 PM
    #1
    bigfoot17

    bigfoot17 [OP] New Member

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    I recently just purchased 2 liters of ravenol 75w mtf-3 oil to change out the transfer case fluid on my ‘18 tundra which has an automatic transmission. The oil states it’s for manual transmission. I didn’t realize that until delivery. I’m guessing I can’t use this?
     
  2. Jun 11, 2025 at 1:18 PM
    #2
    OHwendTrd

    OHwendTrd Aging Member

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    Your transfer case is separate from your transmission, 2 different types of fluids. Ravenol 75w mtf-3 is a well-recommended fluid for your t-case, you can use it with no problem. Have the same fluid in mine, 2021 SR5.

    Don't put that in your transmission.
     
  3. Jun 11, 2025 at 1:23 PM
    #3
    TundraMcGov.

    TundraMcGov. Your friend. Your foe. Not yo Ho.

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    2nd note and vote for Ravenol 75W in your Gen. 2.5 Tundra xfer case.
     
  4. Jun 11, 2025 at 1:35 PM
    #4
    AZTundra

    AZTundra No Longer a New Member

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    No problems with the ravenol fluid. I just did my transfer case recently.

    IMG_3458.jpg
     
    Last edited: Jun 11, 2025
    BrandonL812 and TheBeast like this.
  5. Jun 11, 2025 at 2:10 PM
    #5
    bigfoot17

    bigfoot17 [OP] New Member

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    That’s what I’m swapping out, the transfer case fluid, not the transmission fluid.
     
  6. Jun 11, 2025 at 2:10 PM
    #6
    Mr Badwrench

    Mr Badwrench New Member

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    The transmission and transfer case do not share oil. Make sure you identify the transfer case fill/drain plugs before tearing into it.
     
  7. Jun 11, 2025 at 3:54 PM
    #7
    phabej

    phabej New Member

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    I just got my entire kit from them. Looking forward to doing it next month.

    75w is only for the middle transfer Case. Their kit comes with 2 weights.
     
  8. Jun 14, 2025 at 3:07 AM
    #8
    agrestic1

    agrestic1 New Member

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    Same here with the Ravenol 75W listed for transfer case
     

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