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Front and rear dif and transfercase help? 2016 Tacoma sr5 4x4

Discussion in '3rd Gen. Tacomas (2016+)' started by Stricker 2016 4x4, Apr 7, 2017.

  1. Apr 7, 2017 at 3:51 PM
    #1
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    I'm trying to figure what type of fluid I need to replace the front and rear difrential fluid and the transfer case the dealer was no help in trying to figure out what I need I have the crush washers and stuff to replace them and does the rear dif need the lsd additive any help?!?!
     
    Storman likes this.
  2. Apr 7, 2017 at 3:58 PM
    #2
    Storman

    Storman Fukitol abuser

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    Its all in the owners manual
     
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  3. Apr 7, 2017 at 4:15 PM
    #3
    moe2o4

    moe2o4 Well-Known Member

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  4. Apr 7, 2017 at 4:39 PM
    #4
    mateo_roberto

    mateo_roberto Well-Known Member

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    For the diffs, use either toyota 75w-85 gear oil or redline 75w-85 GL5, full synthetic no additive needed. Refer to owners manual above for the correct amount. My advice is do it all yourself.

    To hijack the thread a bit, I just had my transfer case fluid changed at Toyota and the service notes state "3.4 pints 75W-90 Gear Oil" for a total of $16.80.

    Can anyone tell me the difference between 75W LF (toyota fluid) and 75w-90? The whole reason I went to the dealership to have them perform the change was because the 75W LF fluid is like $55 a liter.

    Also, 3.4 pints equals 1.7 quarts. Manual calls out 1.1. Going to talk to the service manager tomorrow, in addition to how to proceed about my transmission being 3 quarts low.
     
  5. Apr 9, 2017 at 7:22 PM
    #5
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    Thanks for the help and its safe to use 75w-90 for the transfer case do you know if it need to be synthetic or not and how did you find out your transmission was low?
     
  6. Apr 9, 2017 at 7:25 PM
    #6
    Diablo169

    Diablo169 ROKRAPR

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    Pretty sure you want to use a Grade 4 synthetic that is designed to last for a long time, such as Amsoil or Kendal. Grade 5 oils like Redline and Royal Purple are grade 5 that offer excellent wear protection, but break down sooner. Just going off an article I read some time ago.
     
  7. Apr 9, 2017 at 7:49 PM
    #7
    Woodrow F Call

    Woodrow F Call Kindling crackles and the smoke curls up...

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    Additives aren't needed since there is no limited slip in your diff. It's all brake controlled LSD.
     
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  8. Apr 9, 2017 at 8:17 PM
    #8
    MO Tacoma

    MO Tacoma Well-Known Member

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    I would use conventional 75w90. Valvoline or whatever you like and change it every 30k. I hate to break it to some people but a tacoma is not I not a performance vehicle. In those extreme conditions is the only time you will see the benefit of synthetics. If you take care of it, you will easily get 200k + with conventional and regular maintenance. Companies have really marketed synthetics because they cost more. Its just my two cents. If you want to spend the extra money for peace of mind.... Do what makes you happy. East Coast Gear Supply recommends you do not put synthetic in their replacement 3rd members.
     
  9. Apr 9, 2017 at 8:26 PM
    #9
    mateo_roberto

    mateo_roberto Well-Known Member

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    Manual calls out GL-5 or equivalent, so that's why I say that.

    Dealership checked it using the overflow plug check method. Pretty sure they overfilled my transfer case & engine oil as well, will find out Tuesday.
     
  10. Apr 9, 2017 at 10:06 PM
    #10
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    My truck has a button that cuts off the traction control and an auto lad light comes on so I still don't need to add and additive for that just wondering?!?
     
  11. Apr 9, 2017 at 10:07 PM
    #11
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    I don't trust the dealer ship to do anything
     
  12. Apr 9, 2017 at 10:09 PM
    #12
    gainman

    gainman Semper Fi

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    No you don't need it. It's not a real lsd.
     
  13. Apr 10, 2017 at 12:27 AM
    #13
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    That would explains the no lsd sticker on the diff
     
  14. Apr 10, 2017 at 12:28 AM
    #14
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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    What is Gread 4 or gl-5 I have no idea what these mean I've changed diff fluid befor but not on a Tacoma and never heard of them?!
     
  15. Apr 10, 2017 at 12:38 AM
    #15
    1bad2k

    1bad2k Well-Known Member

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    I used amsoil severe gear 75w90. Works perfect. It is a few bucks extra, but it's just pocket change. It definitely will offer more protection and longer fluid change intervals. It's all a matter of opinion though. Same as motor oil. If you ask for recommendations, you'll get five different answers between brands, weights and intervals. I would just do a little research and see which you like better.
     
  16. Apr 10, 2017 at 6:40 AM
    #16
    Woodrow F Call

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    Additives were for the clutch pack in a traditional Limited Slip Differential. These trucks have open differentials and use the brakes to provide Limited Slip Differential like action. The brake grabs the spinning wheel so that power is transferred to the one that isn't slipping.

    In short.... No.
     
  17. Apr 11, 2017 at 2:50 AM
    #17
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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  18. Apr 11, 2017 at 4:28 AM
    #18
    gainman

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  19. Apr 11, 2017 at 6:24 AM
    #19
    Stricker 2016 4x4

    Stricker 2016 4x4 [OP] Well-Known Member

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  20. Apr 11, 2017 at 6:41 AM
    #20
    TACO TX

    TACO TX Well-Known Member

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    75-90 for all 3 and be done. No LSD additive needed as there is no mechanical LSD, only the brake controlled LSD. Synthetic or conventional is completely up to you. I get Mobil 1 75-90w cheap from a local wholesale place so that's what I use. Will take 6qts to do all 3.
     

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