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Diff oils

Discussion in '2.5 Gen Tundras (2014-2021)' started by Strider_0284, Jun 17, 2025 at 8:34 PM.

  1. Jun 17, 2025 at 8:34 PM
    #1
    Strider_0284

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    Strider_0284 [OP] New Member

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    Strider_0284, Jun 17, 2025 at 8:34 PM
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  2. Jun 17, 2025 at 9:13 PM
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    ZappBrannigan

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    ZappBrannigan The mind is willing but the flesh is weak

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    Your “auto LSD” just uses the brakes to approximate a limited slip diff. There’s no need for friction modifiers or anything of the sort.

    I used mobile one synthetic 75-90 personally, but anything synthetic is fine.

    Are you doing the transfer case as well?
     
    ZappBrannigan, Jun 17, 2025 at 9:13 PM
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    blenton likes this.
  3. Jun 17, 2025 at 9:53 PM
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    j_supra

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    j_supra Dreamin about boooost!

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    j_supra, Jun 17, 2025 at 9:53 PM
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  4. Jun 18, 2025 at 3:48 AM
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    Strider_0284

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    Strider_0284 [OP] New Member

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    Yes, I ordered the toyota 75w. $170 bucks for two liters
     
    Strider_0284, Jun 18, 2025 at 3:48 AM
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  5. Jun 18, 2025 at 6:13 AM
    #5
    vmkeith

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    vmkeith New Member

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    I haven't done the Front/Rear Diff or Transfer Case fluid change yet myself, but it was recommended that I use 75w-90 for the Diffs and Ravenol 75w for the Transfer Case. For the Diffs, it was also recommended to use the Quart Pouches like this
    $16 Valvoline FlexFill Advanced Full Synthetic 75W-90 Gear Oil 1 QT Pouch
    Valvoline FlexFill Advanced Full Synthetic 75w-90 Gear Oil. Here's the link for the
    $27 RAVENOL J1C1003 MTF-3 SAE 75W Full Synthetic Gear Oil - 1 Liter for Manual Transmissions, Differentials & Transfer Cases
    Ravenol 75w too. The 75w-90 gear oil can be found just about anyway. The Ravenol you'll have to order online.
     
    vmkeith, Jun 18, 2025 at 6:13 AM
    #5
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