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2012 tacoma with tow package

Discussion in '2nd Gen. Tacomas (2005-2015)' started by isahdm, Feb 14, 2024.

  1. Feb 14, 2024 at 7:35 PM
    #1
    isahdm

    isahdm [OP] Member

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    Hello everyone,

    i have seen multiple threads and posts about this specific topic but before doing it, i wanted to be sure.

    i have a 2012 tacoma V6 with tow package. I want to change the front/rear differential and transfer case oil, any recommendations on the type and amount needed? Rear does have Diff lock.

    also, my truck is about to hit 200k miles, any recommendations on maintenance or things I should check for?
    Thanks!
     
  2. Feb 14, 2024 at 7:43 PM
    #2
    Schlappesepple

    Schlappesepple Well-Known Member

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  3. Feb 14, 2024 at 7:47 PM
    #3
    stickyTaco

    stickyTaco Fuck Cancer

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  4. Feb 14, 2024 at 8:56 PM
    #4
    TacoTuesday1

    TacoTuesday1 Well-Known Member

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    check the DIYs. I believe Amsoil site (the fluid doesn’t have to be theirs) lists capacities.
     
    isahdm[OP] likes this.
  5. Feb 14, 2024 at 9:11 PM
    #5
    Cincy Tacoma

    Cincy Tacoma Well-Known Member

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    Welcome to TW.
     
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  6. Feb 14, 2024 at 9:17 PM
    #6
    Sharpish

    Sharpish Well-Known Member

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    You’re right, there are tons of threads on this already. Good luck!
     
    Hook78 likes this.
  7. Feb 15, 2024 at 6:51 AM
    #7
    isahdm

    isahdm [OP] Member

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    thank you, i didnt see these posts. Seems like ill need 6qts of 75w-90. Because i have a 2012 tow package, no need for the lsd additive, correct? I read that the transfercase needs a specific gear oil due to the brass, is that true?
     
  8. Feb 15, 2024 at 9:28 AM
    #8
    Schlappesepple

    Schlappesepple Well-Known Member

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    Nothing after 2009 has a physical limited slip, so no LSD additive needed.

    Yes, some say you should be careful with the transfer case oil. One member on here had their synchros self destruct (the brass parts), and they thought the oil type may have been the issue.

    Problem is the TC oil type specified in the manual can be difficult to find, or is pretty expensive.
     
  9. Feb 15, 2024 at 9:48 AM
    #9
    isahdm

    isahdm [OP] Member

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    as long as i use 75w-90 gl-4 gear oil, i should be fine, right? If not, any recommendations to use for the TC and differentials?
     
  10. Feb 15, 2024 at 10:24 AM
    #10
    Schlappesepple

    Schlappesepple Well-Known Member

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    Whatever the manual says, I don't know the acceptable types and the viscosity off hand.

    I may have been wrong about the particular type of TC oil, that may only apply to later model years (my 2012 Tacoma was 2wd, so I never had to mess with it).

    My 4R has a different TC oil spec, but that's both newer and a different model, so doesn't directly compare.
     
  11. Feb 15, 2024 at 12:33 PM
    #11
    Micbt25

    Micbt25 Well-Known Member

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  12. Feb 15, 2024 at 12:45 PM
    #12
    TenBeers

    TenBeers Well-Known Member

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    Yeah.
    I've found that 75W-90 isn't always stocked and have used 80W-90 in the past, which is close enough. Looks like Walmart now stocks 75W-90, but it's full synthetic and double the price. Axle manufacturers have recommended just regular dino oil in the past, but I don't really think it matters.

    I use Ravenol MTF-3 for the transfer case: https://www.ravenolamerica.com/passenger-car-products/75w-gear-oil-ravenol-mtf-3/
     
  13. Feb 15, 2024 at 1:46 PM
    #13
    ToyotaMan2015

    ToyotaMan2015 Well-Known Member

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    These trucks call for 75w85 for the diffs and 75w90 for the t case. However, I used redline since they were the only brand I know of to offer 75w85. It's basically a weight toyota designed so it's hard to find brands that make it. I did that just to use what it calls for, but really, you don't have to do that. Diffs aren't picky like your engine and transmission. I would go to your local parts store and get Mobil 1 75w90 and use it for everything. The rear axle holds roughly 3 quarts. The front diff holds 1.6 I believe. And the t case holds 1.1. So, get 7 quarts.
     
  14. Feb 15, 2024 at 2:12 PM
    #14
    nd4spdbh

    nd4spdbh Well-Known Member

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  15. Feb 15, 2024 at 2:20 PM
    #15
    ToyotaMan2015

    ToyotaMan2015 Well-Known Member

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    I drive a 15, here's my manual and what it says.

    Screenshot_20240215_171909_Microsoft 365 (Office).jpg
    Screenshot_20240215_171927_Microsoft 365 (Office).jpg
     
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  16. Feb 15, 2024 at 2:57 PM
    #16
    nd4spdbh

    nd4spdbh Well-Known Member

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    ah yeah thats right, there will be a little left over after the tcase/front diff... so put 3 and the leftover in the rear axle.
     
  17. Feb 15, 2024 at 3:04 PM
    #17
    TenBeers

    TenBeers Well-Known Member

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    Yeah.
  18. Feb 15, 2024 at 3:09 PM
    #18
    ToyotaMan2015

    ToyotaMan2015 Well-Known Member

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    These call for 75w85 for the diffs, but lots of people just use 75w90. It's a lot easier to get ahold of and it works just fine.
     
  19. Feb 15, 2024 at 3:42 PM
    #19
    OffroadToy

    OffroadToy old, forgetful, and decomposing

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    If you change them out yourself it will take a total of around 6 qts of gear oil. I made the mistake of letting the Toyota Stealership change them out for the first time to break the factory bolts loose... got charged for 11 qts. All the service manager had to say was "well, sometimes they take more." Won't make that mistake again! :annoyed:
     
  20. Feb 15, 2024 at 4:01 PM
    #20
    ToyotaMan2015

    ToyotaMan2015 Well-Known Member

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    That's dumb, I bought 7 quarts just in case and had a quart left over for both
     

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