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Tacoma Differential Service

Discussion in '2nd Gen. Tacomas (2005-2015)' started by dwilliams81, Sep 19, 2022.

  1. Sep 19, 2022 at 8:37 AM
    #1
    dwilliams81

    #1
    dwilliams81 [OP] Well-Known Member

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    2012 Tacoma 4x4 SR5 2.7L I’m doing the front, rear diffs, and transfer case. I’m using 75w90 Vavoline synthetic even though manual calls for something different. I can’t see the sticker on rear diff and haven’t got a conclusive answer. Do I need to add limited slip additive or not. Thanks.
     
    dwilliams81, Sep 19, 2022
    #1
  2. Sep 19, 2022 at 8:39 AM
    #2
    Geeves77

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    Geeves77 Well-Known Member

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    It would not hurt to add limited slip additive
     
    Geeves77, Sep 19, 2022
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  3. Sep 19, 2022 at 8:42 AM
    #3
    Sharpish

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    Sharpish Well-Known Member

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    No. There is no limited slip in that year truck. If the oil you purchased already has the limited slip additive it won't do any harm. But paying for an extra tube of additive will be a waste of money.
     
    Sharpish, Sep 19, 2022
    #3
    dwilliams81[OP], 2015WhiteOR and 3JOH22A like this.
  4. Sep 19, 2022 at 8:53 AM
    #4
    2015WhiteOR

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    2015WhiteOR Well-Known Member

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    I buy gallon jugs of Mobil Delvac 75W90 since the price-per-qt comes out cheaper than most other brands for a reputable synthetic fluid, and it does not include LSD additive.

    If you buy 3 jugs, you end up with 12 quarts, and it takes about 6 quarts to do a full front-diff/rear-diff/transfer-case service, so you are covered for 2 services.
     
    2015WhiteOR, Sep 19, 2022
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    dwilliams81[OP] likes this.
  5. Sep 19, 2022 at 9:10 AM
    #5
    nd4spdbh

    #5
    nd4spdbh Well-Known Member

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    Like stated you dont need it but it will not harm anything.

    Been running whatever-is-the-cheapest full synthetic
    $30 75w-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75w-90 gear oil (which almost always comes with LSD additive) in front / tcase / rear diff and never had an issue and after about the 60k mile mark (3 gear oil changes in - did one @2k miles to get factory oil out, then one at 30k) the rear diff oil looked clean so I extended OCI's to 40k and it still comes out clean.
     
    nd4spdbh, Sep 19, 2022
    #5
    dwilliams81[OP], TnShooter and 69 Jim like this.

Products Discussed in

Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
$29.67
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