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30K service

Discussion in '3rd Gen. Tacomas (2016+)' started by Tacoesh, Dec 4, 2018.

  1. Dec 4, 2018 at 8:21 AM
    #1
    Tacoesh

    Tacoesh [OP] Member

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    30K service coming up - I drive entirely on pavement, no off-roading and engage 4WD once a month for a couple miles on straight roads. I have towed a 2750 lb Travel Trailer approximately 900 miles in the last 10K miles on the truck.

    Would you consider this severe duty and change the transfer case and differential fluids? If yes, with this use scenario, would it be ok to use Mobil 1 75W90 or should I spend the extra for something like the Amsoil 75w90 Severe Duty?

    I try to avoid my local dealer when possible but am debating taking this in for the latest transmission TSB and having them do the transfer case and differentials.

    What would you do?
     
  2. Dec 4, 2018 at 8:23 AM
    #2
    SJC3081

    SJC3081 Well-Known Member

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    I would do nothing except change the oil and grease the drive shaft.
     
    Vbpiper likes this.
  3. Dec 4, 2018 at 8:48 AM
    #3
    Mtn Mike

    Mtn Mike Well-Known Member

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    I would not consider your use "severe", if that helps. One could debate the merits of various synthetic oil blends and brands all day long and still not arrive at a satisfactory conclusion. Even if your use was "severe", I would think the Toyota blend would be sufficient for a 30K mile change. I'm getting my 30K mile service at the dealer on Friday and I don't think they're planning to change the fluid.
     
    Vbpiper likes this.
  4. Dec 4, 2018 at 8:48 AM
    #4
    Vbpiper

    Vbpiper Well-Known Member

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    2016 BBP SR5 DCSB 4x4
    AVS Bugflector II, WeatherTech mud flaps, Gentex Homelink/compass mirror, OEM bed mat, SolidFold 2 tonneau
    I don't think anything you are doing qualifies as severe duty. I think the transfer case and front differential fluids will be fine. Personally, I would change the rear diff fluid because it's not very expensive and is easy to do, along with changing the oil, rotating the tires, and greasing the U-joints. I used Mobil1 75W-90 in the differentials.
    Also, you can buy the gasket kit on Amazon that includes all you need for both differentials and the transfer case:
    https://www.amazon.com/GENUINE-TOYO...gasket+kit&dpPl=1&dpID=312yAA6hR4L&ref=plSrch
     
    Last edited: Dec 4, 2018
    shakerhood likes this.
  5. Dec 4, 2018 at 1:45 PM
    #5
    Tacoesh

    Tacoesh [OP] Member

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    I'm thinking the rear diff and remaining normal maint items sounds like a good option. I'll look at the other fluids come 60K. Thanks to those who replied.
     
  6. Dec 6, 2018 at 10:37 PM
    #6
    minium

    minium Well-Known Member

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    I just changed the transfer case and front diff tonight at 40k miles.

    The T Case was super clean, the front diff was gross and looked like liquid metal.

    I used 75w/90 full synth GL5

    Tomorrow I will do the rear.
     
  7. Dec 6, 2018 at 10:43 PM
    #7
    STPJ07

    STPJ07 Well-Known Member

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    For the transfer case:B08003D9-DFAB-46C2-BA38-DD6965A9F7D9.jpg

    And for the rear&front diff:
    9EA70EFE-AF0C-4882-8585-C8A67E311631.jpg
     

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