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Rear Diff oil brand/type? Help!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by bordinco90, Nov 11, 2019.

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  1. Nov 11, 2019 at 11:50 AM
    #21
    TRD-ED

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    TRD-ED Well-Known Member

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    So are you saying 08+ Sports do not need the LSD additive?
     
    TRD-ED, Nov 11, 2019
    #21
  2. Nov 11, 2019 at 11:59 AM
    #22
    eon_blue

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    eon_blue Okayest Member

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    Correct, the 08+ Sports do not have a mechanical limited slip differential. The have a regular open diff with a electronic feature that uses the rear brakes to mimic the effects of an LSD.

    The 05-07 Sport Tacomas have a label on the back of the differential that specifically states to use gear oil with an LSD additive, the later model Sports do not have that sticker
     
    eon_blue, Nov 11, 2019
    #22
  3. Nov 11, 2019 at 12:01 PM
    #23
    bordinco90

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    bordinco90 [OP] Well-Known Member

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    Ok last question. Will it hurt to put diff oil with LSD additives into a diff that doesn't need it?
     
    bordinco90, Nov 11, 2019
    #23
  4. Nov 11, 2019 at 12:01 PM
    #24
    eon_blue

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    eon_blue Okayest Member

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    won't hurt it, just isn't necessary.
     
    eon_blue, Nov 11, 2019
    #24
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  5. Nov 11, 2019 at 12:08 PM
    #25
    Accipiter13

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    Accipiter13 Well-Known Member

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    FYI It’s 09+ sports. 08’s still had the mechanical lsd.
     
    Accipiter13, Nov 11, 2019
    #25
    spencermarkd, 07 sport 4x4, tinker_troy and 1 other person like this.
  6. Nov 11, 2019 at 12:10 PM
    #26
    TheDevilYouLove

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    TheDevilYouLove You can’t polish a turd, but you can polish a TRD

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    I use Lucas 80w-90 dinosaur oil (I.e. non synthetic)
     
    TheDevilYouLove, Nov 11, 2019
    #26
  7. Nov 11, 2019 at 12:20 PM
    #27
    eon_blue

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    eon_blue Okayest Member

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    Did they really? I coulda sworn it was 08 but maybe I confused the last year with the year it started being non-mechanical...thanks for the correction
     
    eon_blue, Nov 11, 2019
    #27
  8. Nov 11, 2019 at 12:38 PM
    #28
    Accipiter13

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    Accipiter13 Well-Known Member

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    05-08 had mech lsd’s. I’ve been under an 08 quite a bit ;)
     
    Accipiter13, Nov 11, 2019
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  9. Nov 11, 2019 at 4:40 PM
    #29
    winkel

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    winkel Well-Known Member

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    I don't replace the crush washer. I just Teflon tape the plugs real well before reinstalling. I get no seepage at all.
     
    winkel, Nov 11, 2019
    #29
  10. Nov 11, 2019 at 4:51 PM
    #30
    Accipiter13

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    Accipiter13 Well-Known Member

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    Wellllllllllllllll I wouldn’t do that to my truck.
     
    Accipiter13, Nov 11, 2019
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  11. Nov 12, 2019 at 2:01 AM
    #31
    ARB1977

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    ARB1977 It’s a beaut Clark

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    ARB1977, Nov 12, 2019
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  12. Nov 12, 2019 at 4:45 PM
    #32
    bordinco90

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    bordinco90 [OP] Well-Known Member

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    Ok guys I bought 4 bottles of this:

    [​IMG]

    Will this be ok?
     
    bordinco90, Nov 12, 2019
    #32
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  13. Nov 12, 2019 at 4:51 PM
    #33
    Accipiter13

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    Yes. Literally anything you buy that says 75-90 and gf-5 is fine.
     
    Accipiter13, Nov 12, 2019
    #33
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  14. Nov 12, 2019 at 4:52 PM
    #34
    tinker_troy

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    tinker_troy Well-Known Member

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    Do you have this sticker?

    [​IMG]
     
    tinker_troy, Nov 12, 2019
    #34
  15. Nov 12, 2019 at 4:53 PM
    #35
    eon_blue

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    The additive won't hurt anything if you put it in a non-LSD diff.
     
    eon_blue, Nov 12, 2019
    #35
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  16. Nov 12, 2019 at 4:54 PM
    #36
    bordinco90

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    bordinco90 [OP] Well-Known Member

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    No. I do not. I asked if it would be ok to use Diff oil with LSD additive and a couple of people said it was ok.
     
    bordinco90, Nov 12, 2019
    #36
  17. Nov 12, 2019 at 4:57 PM
    #37
    BillsSR5

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    BillsSR5 Looking out for #1

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    [​IMG]
     
    BillsSR5, Nov 12, 2019
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  18. Nov 12, 2019 at 4:58 PM
    #38
    eon_blue

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    eon_blue Okayest Member

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    It wouldn't make sense for the additive to hurt it...there's nothing in an non-LSD diff that isn't also in an LSD diff. Only difference between the two is the limited slip inside one of them. If the additive hurt the non-LSD diff it would do the same damage to the same parts inside an LSD one too (which it doesn't, which is why it's fine to use).

    I've used the Valvoline stuff with the LSD additive before in my e-locker rear because it was the only 75w90 that the store had. Not going to hurt anything
     
    eon_blue, Nov 12, 2019
    #38
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  19. Nov 12, 2019 at 5:02 PM
    #39
    Plain Jane Taco

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    Plain Jane Taco Well-Known Member

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    Any 75/90 will be fine. Just pick one and go with it. I used SuperTech in my old Mazda's tranny and rear diff without issue.

    On my Taco I've serviced the rear diff twice...30k and 60k miles and went with Mobil1.

    I dropped the spare and attached a bit of hose to one of the bottle tops. Plenty of clearance and no need for a transfer pump.

    downloadfile-1 (3).jpg
     
    Plain Jane Taco, Nov 12, 2019
    #39
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  20. Nov 12, 2019 at 5:10 PM
    #40
    pg_osborne89

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    pg_osborne89 Well-Known Member

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    ECGS disclaims in the opening paragraph that all this discussion is based on opinion. They’ve just run their own tests to support a hypothesis. Not that they aren’t credible but they say all that for a reason.

    I personally use Mobil1
    $29 75w-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75w-90 with the LS additive on my ‘12 sport and it has done fine.

    I think the takeaway from all this is that the act of changing it at the recommended intervals does more than the brand/type of oil you’re putting in (as long as it’s close to recommended weight/viscosity obviously).
     
    pg_osborne89, Nov 12, 2019
    #40
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