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2k18 TransferCase fluid

Discussion in '2.5 Gen Tundras (2014-2021)' started by DaCro210, May 29, 2020.

  1. May 29, 2020 at 5:15 PM
    #1
    DaCro210

    DaCro210 [OP] New Member

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    What’s everyone running with the recommended 75w.. just is at the 30k mark use the 4x4 5-10 a year.. mostly pavement pusher but do push it sometimes to triple digits ..
    I see some of y’all using the ravenol 75w.. but I only see the ravenol 75w MTF-3.. is that what y’all are using? I see the last couple numbers are different. That’s on the bottle of ravenol.. This is the part number for the 75w Toyota oil 08885-81080. below are the numbers ravenol replaces. And also found this from RedLine also.. seems pretty good.



    1. TOYOTA 08885-81001
    2. TOYOTA 08885-81081
    3. these two are what comes on ravenol replaces


    From RedLine oils below


    MT-LV 70W/75W GL-4 GEAR OIL

    • Popular in Toyota/Lexus LF 75W, BMW X-Drive and other transfer cases transfer cases calling for Shell TF0870
    • Recommended for Mercedes 235.10, Dodge/Fiat BOT 350 M3, GM BOT 303 mod, Toyota/Scion Manual Transmissions Gear Oil LV, VW/Audi and BOT270A Graziano Transaxle for Aston Martin, Audi & Lamborghini.
    • Offers quicker shifts, a perfect synchronizer coefficient of friction
    • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
    • High performance gear protection and longer synchro life
    • Eliminates notchy shifting, even when cold
    • Low fluid friction to improve power transfer
    • Satisfies the gear oil viscosity requirements of 70W & 75W
    Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specifies




    sorry to beat a dead horse but currently at 30k miles and gonna do the fluid changes this week.
     
    Last edited: May 31, 2020
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  2. May 29, 2020 at 5:16 PM
    #2
    Bravohook

    Bravohook New Member

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    Cool Things
    I used the ravenol and have been more then happy with it. Transfer case seems to shift faster and smoother in and out
     
  3. May 29, 2020 at 5:19 PM
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    Stig

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    X2.

    The Toyota fluid is crazy expensive. If I had gone with that, I'd be sopping up any spills and pouring back in the bottle!

    When Toyota switched to the Borg Warner T case (2014?) is when the oil changed from the same as the diffs to this fancy 75W stuff.
     
    Last edited: May 29, 2020
  4. May 29, 2020 at 5:24 PM
    #4
    DaCro210

    DaCro210 [OP] New Member

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    Was it the MTF-3 Manual transmission 75w fluid? That’s the only one I see one their website..
     
  5. May 29, 2020 at 5:35 PM
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    chugs

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  6. May 29, 2020 at 5:47 PM
    #6
    DaCro210

    DaCro210 [OP] New Member

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  7. May 29, 2020 at 7:01 PM
    #7
    DaCro210

    DaCro210 [OP] New Member

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    • MT-LV 70W/75W GL-4 Gear Oil
    [​IMG]
    [​IMG]

    [​IMG]
    MT-LV 70W/75W GL-4 GEAR OIL
    • Popular in Toyota/Lexus LF 75W, BMW X-Drive and other transfer cases transfer cases calling for Shell TF0870
    • Recommended for Mercedes 235.10, Dodge/Fiat BOT 350 M3, GM BOT 303 mod, Toyota/Scion Manual Transmissions Gear Oil LV, VW/Audi and BOT270A Graziano Transaxle for Aston Martin, Audi & Lamborghini.
    • Offers quicker shifts, a perfect synchronizer coefficient of friction
    • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
    • High performance gear protection and longer synchro life
    • Eliminates notchy shifting, even when cold
    • Low fluid friction to improve power transfer
    • Satisfies the gear oil viscosity requirements of 70W & 75W
    • Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specified
    SKU: 50605

    compatible list:

    Toyota MT Gear Oil LV 75W
    Toyota 08885-81040
    Toyota/Lexus transfer case fluid "Genuine Gear Oil LF 75W“ 08885-81080
    Toyota/Scion Manual Transmission Oil LV
    Toyota/Scion 08885-81001

    I will going with this.
     
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  8. May 29, 2020 at 8:05 PM
    #8
    Wallygator

    Wallygator Well Zippedy Da Do!

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  9. May 29, 2020 at 10:45 PM
    #9
    DaCro210

    DaCro210 [OP] New Member

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    Yea bud I’m not a fan of royal purple products. This goes back like 15 years ago. I wish amsoil made 75w.. I remember a lot of tests between the two and what parts looked like after being put through the exact same test. I’ll stay with Amsoil.. but that’s my preference and everyone has their own but I appreciate the info.
     
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  10. May 30, 2020 at 12:52 AM
    #10
    Wallygator

    Wallygator Well Zippedy Da Do!

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    That's cool, we all have different experiences. I like Amsoil also and use it in everything else including my small engine stuff, but as you mentioned they do not make a Toyota transfer case compatible fluid. The Synchromax is the first Royal Purple product I have ever used and the only reason I tried it is because it is compatible and Toyota LF costs what, $75 a quart? Ridiculous! An as mentioned it was great in my 4Runners tcase. Worked better than stock.
     
  11. May 30, 2020 at 4:45 AM
    #11
    Backslider

    Backslider Thirsty...

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    Consider Royal Purple Synchromax. I use it in my 4runner and its long lasting and incredibly smooth. I use 4wd frequently.

    Haven't used in the Tundra yet, because it only has 1300 miles on it, but well before 30k ill change diff and transfer case fluids. Royal Purple is listed as a direct replacement for Toyota OEM fluid.

    https://www.royalpurple.com/product/synchromax-manual-transmission-fluid/
     
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  12. May 30, 2020 at 5:46 AM
    #12
    Stig

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    Also the BW case fill and drain plugs don't use a crush washer to seal. When I pulled mine out it looked like Teflon tape or something similar on the threads.

    I checked online and in my Haynes manual, no mention of it so I torqued them back to spec and will be checking for leaks. So far none
     
  13. May 30, 2020 at 6:12 AM
    #13
    DaCro210

    DaCro210 [OP] New Member

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    @Wallygator amen to that it’s a lot for the OE Toyota stuff.
    @Backslider appreciate it but I ordered the Redline oil. They make hella good product an used them in my motorcycles too.
    @Stig cool thanks. It was like that on my Silverado too

    I ordered 3 qts of the Redline. Gonna squeeze a little of the new stuff in their to push out the old stuff.
     
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  14. May 30, 2020 at 8:44 AM
    #14
    Backslider

    Backslider Thirsty...

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    I use Redline in both differentials, Royal Purple in the transfer case. Either are a great choice imo.

    I will say that after switching from Toyota OEM to Royal Purple in my 4runner, shifting into 4h at any speed is undetectable by noise or thump. It really, really smoothed it out. Wearing it in might be part of that too, as it has just over 30k miles on it and is still a baby.
     
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  15. May 30, 2020 at 8:57 AM
    #15
    Genuine Cooling Systems

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  16. May 30, 2020 at 9:01 AM
    #16
    ninjajay

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    Unnecessary to do the t case at 30k, just do the diffs
     
  17. May 30, 2020 at 9:05 AM
    #17
    Backslider

    Backslider Thirsty...

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    I did all the fluids in my 4runner at 20k. Transfer case was in poopy shape and both diffs were worse. I think it all oils probably had the lubricity and chemical make up to continue working well, but I felt better changing them. That said, my 4runner is 70% offroad use.
     
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  18. May 30, 2020 at 9:54 AM
    #18
    DaCro210

    DaCro210 [OP] New Member

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    @chasenicholas93 I ordered the redline.. and yea I do notice the switching back into 2H from 4H does take some time and not super smooth hopefully the new oil will help. I’ll keep y’all posted when it comes in an I swap all fluids.. should be sometime this up coming week.
     
  19. May 30, 2020 at 10:00 AM
    #19
    Genuine Cooling Systems

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    I switched all my fluids to AMSOIL. Just looking for the best solution for the tranfer case.
     
  20. May 30, 2020 at 10:15 AM
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    ninjajay

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    heavy off-road you’ll definitely need to do every 30k or even more frequent. normal road use, I’d probably do t-case every other diff fluid swap
     
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  21. May 30, 2020 at 11:11 AM
    #21
    DaCro210

    DaCro210 [OP] New Member

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    Yea I’ve been researching the transfer case for months and the Redline is the best suitable one in my non professional opinion lol... look it on their website
     
  22. May 30, 2020 at 12:03 PM
    #22
    Stig

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    Aren't you the OP? This thread is not months old
     
  23. May 31, 2020 at 4:58 PM
    #23
    DaCro210

    DaCro210 [OP] New Member

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    Yes I am but there is multiple threads about this that are old or just never finish lol..
     
  24. Jun 14, 2020 at 10:06 PM
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    DaCro210

    DaCro210 [OP] New Member

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    Alrighty fellas took me but two weeks to finally get to it but I finished the front an rear diffs an t/case. I ordered the 80w90 severe gear from amsoil direct in the quart size bottles not the ez pack for $10 a quart after becoming a member. Also order 70/75w redline oil for the transfer case which was about $17 a quart. Asked the ALL the dealers an they didn’t know what I talking about for 75w trans case fluid they used 80w90- 75w-90 or 75w-140 I was like wtf lol..
    1. I used 6 quarts for the diffs I let them drain out then ran about 10oz extra through them.
    2. I used 2.5 quarts for the t/case and did the same and ran a little extra to flush out old fluid.
    Drain an fill plug were extremely/scary lose on the t/case.

    I noticed the truck switched in an out of 4WD faster and was a lot smoother. After i drained the t/case you can tell right off the back it’s not the same as regular gear oil used in the diffs.

    After I filled each the first time I went around the block went through 4H/4L and went under an diffs were good but t/case needed a few ounces more. Front diff and t/case could’ve waited till 60-75k miles easily. And rear diff was a little darker but was expected as it was used more. Truck still averages 12.8 mpg at 75mph lol. Did find a piece of metal attached to the magnet‍♂️.
    1st pic rear diff, 2nd front diff, 3rd t/case1A9B69C7-296C-4EC0-830C-A9CA23F6FFEB.jpgB9451239-8058-42AF-B878-D752ABA0B5DC.jpg

    1B4B0EE4-4B67-4E14-B08A-D8F0C30B725C.jpg
     
    Last edited: Jun 14, 2020
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  25. Jun 14, 2020 at 10:15 PM
    #25
    DaCro210

    DaCro210 [OP] New Member

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    These are the fluids. Also bought Amsoil grease but truck had no zerk fittings. Also the rear diff plugs with the piece of metal that I found. All in all took me about an hour to do. Also if you become a member to amsoil it’s $10 for a 6 month subscription. Saved like $30 by doing so. 75w-90 is like $18 but 80w-90 is $13 in the plastic quart bottles an like i said if your a member the quarts are $10.05.. I know everyone has their preference on oils I just like Amsoil and Redline is compatible the 75w Toyota t/case oil. 2nd pic shows piece of metal right under the napkin on the cardboard

    790A0E0A-672D-4F41-B3CE-E4FC3704B0DE.jpg
    B757149A-2532-4529-9F7B-DA6748D350CF.jpg
    6751F443-8847-4493-882B-B5C0638FFCBF.jpg
    6FFA9C47-F9D2-4F87-8853-5C82F2A1D311.jpg
    AE04DCDF-467F-444F-8B09-3A1371D42BC3.jpg
     
    Last edited: Jun 14, 2020
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  26. Jun 14, 2020 at 10:22 PM
    #26
    DaCro210

    DaCro210 [OP] New Member

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    :typing:Hopes this helps out some of y’all.
     
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  27. Jun 14, 2020 at 10:29 PM
    #27
    DaCro210

    DaCro210 [OP] New Member

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    Side note had the truck loaded with about 200 6ft tall fence pickets in the back doing roughly 65mph with tow/haul and truck was averaging 15.3mpg on a straight road lol
    :notsure:
     
  28. Jun 14, 2020 at 10:35 PM
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    Ely010606

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    Thanks OP, im tagging this thread when i decide to do mine.
     
  29. Jun 15, 2020 at 6:31 AM
    #29
    ZPhilip

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    Dacro210,
    Check both driveshafts for zerk fittings. My 2015 has them.
     
  30. Jun 15, 2020 at 6:34 AM
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    Backslider

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    Sadly they don't seem to exist on the 2019 +

    I had a 2016 that had them, now I have a 2020 and they don't exist.

    That's like $1.25 saved per truck. Adds up! ;)
     

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