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Help needed on transfer case oil.

Discussion in 'General Tundra Discussion' started by Tundra_361, Feb 18, 2024.

  1. Feb 18, 2024 at 6:34 PM
    #1
    Tundra_361

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    Tundra_361 [OP] New Member

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    Bought this from my local Toyota dealer. CD13D431-F3F2-42D1-9E59-6C0109B03FCC.jpg
    BB5ADBEC-D6AE-4BF3-9E74-069215A08F13.jpg
    They use this oil for transfers case. Had them triple check to make sure it’s the correct one I need. I know I need to use GL-5 for the front and rear diff but the owners manual doesn’t specify if it needs to be GL-5. Any help will be appreciated. Want to knock out it out tomorrow.
     
    Tundra_361, Feb 18, 2024
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  2. Feb 18, 2024 at 6:56 PM
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    SC4333

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    SC4333 New Member

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    the BG should work just fine. The transfer case calls for ATF, so as long as you run a compatible fluid that meets the specification called for, no big deal. For example, I have been running Red Line D6 ATF in both my transmission at the transfer case with excellent results. https://www.redlineoil.com/d6-atf#oem-compatibility-tab

    EDIT: Only the 22+ 3rd gen transfer cases call for Toyota WS ATF standard (2.17 qt.) The 07-21 DOES NOT call for ATF. Thank you for catching that @blenton
     
    Last edited: Feb 19, 2024
    SC4333, Feb 18, 2024
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  3. Feb 18, 2024 at 7:01 PM
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    OHwendTrd

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    OHwendTrd Aging Member

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    Last edited: Feb 19, 2024
    OHwendTrd, Feb 18, 2024
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  4. Feb 18, 2024 at 9:00 PM
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    blenton

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    blenton New Member

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    07-21 do not call for ATF in the transfer case. 07-13 specs 75w90 while 14-21 specs straight 75w, but many use 75w90 for which I don’t recall seeing any failures for using in place of straight 75w. However, ATF is not an acceptable substitute.

    @tundra361 I have not seen that particular BG product before but it looks to be an acceptable fluid. I don’t recall offhand if GL4 is going to be of any consequential difference as most 75w90s are GL5 (more extreme pressure additives). It’s not difficult to drain and refill if you decide it doesn’t work well for you.
     
    blenton, Feb 18, 2024
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    SC4333[QUOTED], AZBoatHauler, PolishedTRD and 1 other person like this.
  5. Feb 18, 2024 at 9:15 PM
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    Tundra_361

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    Tundra_361 [OP] New Member

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    Thank you :thumbsup:
     
    Tundra_361, Feb 18, 2024
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  6. Feb 18, 2024 at 9:35 PM
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    Terndrerrr

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    Terndrerrr 933000 miles to go

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    Some info on 75w vs 75w90 (which is the wrong oil most dealers use for
    $34 2014-2021 Tundra Driver Side (Chrome-Left)
    2014-2021 Tundra transfer cases)
     
    Terndrerrr, Feb 18, 2024
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    AZBoatHauler and 2mchfun like this.
  7. Feb 18, 2024 at 9:36 PM
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    2mchfun

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    2mchfun Cool story, but did your new TTV6 tow a shuttle?

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    Some here like the Redline 70w/75 as well.
     
    2mchfun, Feb 18, 2024
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