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rear diff. question

Discussion in '2nd Gen. Tacomas (2005-2015)' started by KTMCRAZY, Oct 31, 2017.

  1. Oct 31, 2017 at 9:52 AM
    #1
    KTMCRAZY

    KTMCRAZY [OP] Active Member

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    I have a 2009 or 4.0 6mt.
    A friend told me if I had a locking rear diff. I needed to add an additive to the gear oil. Is this correct? I was planning on using Mobil 1.
     
  2. Oct 31, 2017 at 9:56 AM
    #2
    randd

    randd Well-Known Member

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    Nope, additive is only needed for limited slip diffs. Mobil 1 is fine as is for a locking rear diff. Make sure that you can remove the fill plug before removing the drain plug.
     
    DaveInDenver likes this.
  3. Oct 31, 2017 at 10:00 AM
    #3
    Taco Tacoma

    Taco Tacoma Well-Known Member

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    Is it a locker that you can unlock and relock? Like and limited slip? If so I would run a higher end oil, but I’m not an expert
     
  4. Oct 31, 2017 at 10:02 AM
    #4
    KTMCRAZY

    KTMCRAZY [OP] Active Member

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    It's a stock TRD off road.
     
  5. Oct 31, 2017 at 10:03 AM
    #5
    Taco Tacoma

    Taco Tacoma Well-Known Member

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    '21 Nothing so far, I just bought the friggin thing!! '09 Silver SR5 Prerunner DCSB (sold) Dick Cepek rims, 33” Cooper AT 3’s, 24 in light bar, custom-made hitch step, sport headlights (on SR5 taco), Gator tonneau cover (looking for Best Top soft camper shell), real tree seat covers, weather tech floor liners, 6’ bed mat cut to 5’ (because the 6’ ones were the only ones available, alpine touch screen head unit, alpine 1100w amp powering 2 10” subs, upgraded door speakers (forgotten the brand), Magnaflow exhaust
    I would just use the Toyota oil just to be safe
     
  6. Oct 31, 2017 at 10:10 AM
    #6
    Stewbuff

    Stewbuff Well-Known Member

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  7. Oct 31, 2017 at 10:15 AM
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    Extra Hard Taco

    Extra Hard Taco The game is rigged.

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  8. Oct 31, 2017 at 10:16 AM
    #8
    eccracer104

    eccracer104 O.G. Member

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    No additive needed for the TRD Off Road models with a locker. TRD Sport models with a stock Limited Slip Differential (LSD) do require an LSD additive.
     
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  9. Oct 31, 2017 at 10:18 AM
    #9
    stickyTaco

    stickyTaco Fuck Cancer

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    As stated, the additive is for a mechanical limited slip, not locking differential or the electronic LSD that are on the later 2nd gen TRD Sport. M1 is fine, just make sure you use the correct weight.
     
  10. Oct 31, 2017 at 10:40 AM
    #10
    Drtnap19

    Drtnap19 Well-Known Member

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    Help me out....
    I'm 61 and easily confused. LOL. I have an '11 Sport 4.0 DC 4x4. What do I have and do I need LSD additive..and where can I find LSD additive?
     
  11. Oct 31, 2017 at 10:42 AM
    #11
    eon_blue

    eon_blue Unknown Member

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    No you don't need any additive. Just regular gear oil, synthetic if you want to get fancy. Only the 05-07 Sports had a true mechanical LSD differential....08+ uses a braking system that mimics it.
     
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  12. Oct 31, 2017 at 10:44 AM
    #12
    Drtnap19

    Drtnap19 Well-Known Member

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  13. Oct 31, 2017 at 10:44 AM
    #13
    36tacundra

    36tacundra Well-Known Member

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    DSCN7106.jpg Most Toyotas that require LSD oil will have a white sticker on the rear end by the fill spout. If you have a E-locker you do not need LSD oil.
     
  14. Oct 31, 2017 at 10:44 AM
    #14
    eccracer104

    eccracer104 O.G. Member

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    eon_blue likes this.

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