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what differential fluid for my 12' sr5??

Discussion in '2nd Gen. Tacomas (2005-2015)' started by TRDfarmerTN, Jan 9, 2013.

  1. Jan 9, 2013 at 2:26 PM
    #1
    TRDfarmerTN

    TRDfarmerTN [OP] Well-Known Member

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    20% tint, painted handles,painted grill, wet okole seatcovers,sockmonkey decals
    gna change my rear diff fluid in my 2012 sr5 4x4 soon..dont know what kind to use since it has the electronic diff stuff, my 2008 sr5 didnt and it wasnt LSD so it was easy on choosing a fluild..but dont know if i need to use one for a LSD on my 2012 or not??? i knew the trd's had LSD but didnt expect my sr5 to so im confused lol
     
  2. Jan 10, 2013 at 2:12 AM
    #2
    JKD

    JKD Well-Known Member

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    No, you have electronic trac/LSD, you do not need friction modifier fluid unless you've added a manual LSD.
     
  3. Jan 10, 2013 at 3:31 AM
    #3
    scottw1

    scottw1 Well-Known Member

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    Agree. That is how my 2010 is. Just use your favorite brand of synthetic diff gear. I used 75w90.
     
  4. Jan 10, 2013 at 5:53 AM
    #4
    ACE_Taco

    ACE_Taco Long Range Practical Marksman

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    This is what I prefer... Works for me..

    images_4a516ccbab1aa6e3550da9dfe5d67bc7406dff8f.jpg
     
  5. Jan 10, 2013 at 6:03 AM
    #5
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    ^This. You do not have a mechanical LSD, therefore treat it like any other open differential. Use the correct weight and choose your favorite brand of oil and have at it.

    I think I've been using Valvoline 80W90 for the rear diff and 75W-90 in the transfer case and front diff. I believe the newer ones call for the same fluid all around though but check your manual for the proper recommended oil weight and stick to that.
     
  6. Jan 10, 2013 at 10:36 AM
    #6
    TRDfarmerTN

    TRDfarmerTN [OP] Well-Known Member

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    thanks guys..thats what i was thinkin id use, but should i go for synthetic? ive thought most synthetics ive seen are all LS, like the mobil 1 in this thread, and thats for limited slip right? maybe i can find a synthetic without LS somewhere
     
  7. Jan 10, 2013 at 10:37 AM
    #7
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    The synthetics that say LS on them still do not likely have the limited slip friction modifiers in them, they're just safe to use with a limited slip. Regardless, even if the oil has the friction modifier for a mechanical limited slip, there is no harm in using it in your open differential. It's when you have limited slip and don't use the right stuff that you run into problems.

    I used Valvoline synthetic on my last change.
     
  8. Jan 10, 2013 at 10:44 AM
    #8
    GP3

    GP3 Well-Known Member

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    Rear 4x4 or Prerunner:
    Toyota Genuine Differential Gear Oil LT
    75W-85 GL-5 or equivalent
     
  9. Jan 10, 2013 at 10:50 AM
    #9
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    My manual says 80W-90 for the rear and 75W-90 for the front and transfer case. Read your manual, I think there was some variation depending on the year.
     
  10. Jan 10, 2013 at 10:54 AM
    #10
    GP3

    GP3 Well-Known Member

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    It changed in 2009.

     
  11. Jan 10, 2013 at 10:55 AM
    #11
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Good to know, thanks!
     
  12. Jan 10, 2013 at 10:56 AM
    #12
    GP3

    GP3 Well-Known Member

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    No problem. Also, according to a Tundra/Sequoia/4Runner/FJ Cruiser TSB (I can't find a Tacoma one), the Toyota Genuine Differential Gear Oil LT 75W-85 GL-5 is a synthetic gear oil.
     

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  13. Jan 10, 2013 at 11:03 AM
    #13
    tacoma guy

    tacoma guy Well-Known Member

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    I have the 2011 TRD with L.S. The manual calls for 75w85. All I can find here where I live is 75w90 or 80w90. So do I use 75w90 or 80w90? :confused:
     
  14. Jan 10, 2013 at 11:08 AM
    #14
    GP3

    GP3 Well-Known Member

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    Front: stock suspension, 12" wide fiberglass fenders Rear: stock suspension, 10" wide fiberglass fenders
    You don't have a limited slip rear diff.

    Either oil will be fine. If I were in your area, I'd go with a 80w-90.
     
  15. Jan 10, 2013 at 11:13 AM
    #15
    tacoma guy

    tacoma guy Well-Known Member

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    I called 5 differant dealers gave them my vin# and they tell me that I do. So I guess , Iam going to take there word for it.
     
  16. Jan 10, 2013 at 11:26 AM
    #16
    GP3

    GP3 Well-Known Member

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    Their word also says to use Toyota Genuine Differential Gear Oil LT 75W-85 GL-5. There's the answer to your question.
     
  17. Jan 10, 2013 at 11:35 AM
    #17
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Unless you put it in or had it custom ordered, you don't have a mechanical limited slip. What you have is an open differential that uses the brakes to limit slip meaning one tire spins, the brake gets applied on that side, forcing the power to go to the other side. So technically, the entire system is limited slip but, for purposes of determining which differential oil you need, you do not have a limited slip differential.
     
  18. Jan 10, 2013 at 11:38 AM
    #18
    Gincoma

    Gincoma Special Edition Member

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    ^^^ beat me to it...You do not need friction modifiers, you have an open diff. They say you have a limited slip but its not from your differentials its from your brakes.
     
  19. Jan 10, 2013 at 11:40 AM
    #19
    tacoma guy

    tacoma guy Well-Known Member

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    Thank you for this. Would this apply to the 2011 also? Becouse I have the sticker that is #3. Which would mean that I dont have L.S.
     
  20. Jan 10, 2013 at 1:09 PM
    #20
    TRDfarmerTN

    TRDfarmerTN [OP] Well-Known Member

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    20% tint, painted handles,painted grill, wet okole seatcovers,sockmonkey decals
    thanks man...what weight valvoline did u use? should i just get a 75-90 or go to the dealer and get some of the 75-85?
     

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