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changing rear differential fluid

Discussion in 'Technical Chat' started by neilc, Feb 28, 2012.

  1. Feb 28, 2012 at 5:58 AM
    #1
    neilc

    #1
    neilc [OP] Member

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    just read like 10 pages of changing rear end fluid in my 2009 tacoma sport,dealer wants 70 bucsk a quart(takes2.5 quarts)theirs has the lsd additive already added,after reading posts several different weights and oil types being used. What is a good gear fluid to use but more important because they don't sell the lsd additive where can I get it?
     
    neilc, Feb 28, 2012
    #1
  2. Feb 28, 2012 at 6:16 AM
    #2
    Pugga

    #2
    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Wait for others to chime in, but I don't think you have the mechanical LSD in yours. The 2005 to 2008 have a mechanical LSD, 2009+ use the brakes to mimic LSD. Does your Owner's manual, or the sticker on your rear differential say that you need the LSD additive?

    Regardless, you should be able to pick it up at an auto parts store. Any quality, name brand oil with the proper weight will do, just confirm on the LSD additive.
     
    Pugga, Feb 28, 2012
    #2
  3. Feb 28, 2012 at 6:17 AM
    #3
    brutalguyracing

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    brutalguyracing BIG DADDY

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    F.U> GUYZ
    broken mods
    this^^^^
     
    brutalguyracing, Feb 28, 2012
    #3
  4. Feb 29, 2012 at 6:56 AM
    #4
    neilc

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    neilc [OP] Member

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    ya i didn't see any label on the rear end or in the manual mentioning lsd additive.thanks guys
     
    neilc, Feb 29, 2012
    #4
  5. Feb 29, 2012 at 10:18 AM
    #5
    neilc

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    neilc [OP] Member

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    just came back from auto zone for lucas diff (no sticker on rear end housing) fluid,my manual doesn't mention lsd additive but dealer ran my vin #'s and said I do,now what the f....
     
    neilc, Feb 29, 2012
    #5
  6. Feb 29, 2012 at 10:20 AM
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    GP3

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    GP3 Well-Known Member

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    You don't have a mechanical LSD unless it was added after you (or original owner) bought it. The factory mechanical LSD was discontinued after the 2008 model year.
     
    GP3, Feb 29, 2012
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  7. Feb 29, 2012 at 10:42 AM
    #7
    neilc

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    neilc [OP] Member

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    so i don't need it right
     
    neilc, Feb 29, 2012
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  8. Feb 29, 2012 at 10:44 AM
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    T-Rex266

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    T-Rex266 Elon Musk Moderator

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    I use Royal Purple, no additives needed. <---2009
     
    T-Rex266, Feb 29, 2012
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  9. Feb 29, 2012 at 10:48 AM
    #9
    RelentlessFab

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    RelentlessFab Eric @Relentless Fab Vendor

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    no LSD additive needed after the 08's since as others have said, the truck has a computer mimic LSD using the brakes. Just standard gear oil is fine.
     
    RelentlessFab, Feb 29, 2012
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  10. Mar 1, 2012 at 9:19 AM
    #10
    neilc

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    neilc [OP] Member

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    latest and greatest,on lsd additive or not 3 dealrs called 1 says no one says yes after running my vin,other says best way to tell pull fill cap if the fluid is red has lsd additive if not regular diff fluid,go figure
     
    neilc, Mar 1, 2012
    #10
  11. Mar 1, 2012 at 9:38 AM
    #11
    Bishop2Queens6

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    Bishop2Queens6 Well-Known Member

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    Icon 2.5 RR/w CDCV 700# springs Front Shocks JBA UCA's Wheeler's Offroad Superbump Front Bump Stops Icon 2.5 RR/w CDCV 4"+ Rear Shocks AllPro Expo Rear Leaf Pack Timbren Rear Bump Stops ARB Front Bumper @Shmellmopwho Rock Sliders w/ Kickout RCI Aluminum Front Skid Plate Prinsu Roof Rack Roll-N-Lock Tonneau Cover CBI Ditch Light Brackets Cali-Raised LED Ditch Lights Cali-Raised Amber Fogs Cali-Raised Flush Mount LED Pods
    ^^^This. I have one of the earliest model 2009, bought Sept 2008. There is no way I have a mechanical LSD. The factory didn't screw up an put mechanical LSD in +09 Tacoma's even in the first models of '09.

    If some how you go royally screwed over on the year of your truck, as in you were sold an '08 as an '09, then you're gonna need LSD additive. 09+ doesn't need it b/c of the traction control system uses the brakes to mimic the function of a mechanical LSD.

    If your 09 has traction control, you have an electronic LSD so therefore no need for additive. Also, it is perfectly fine to run a gear oil with LSD additive already mixed in even though you do not have a mechanical LSD.

    Also, don't listen to the dealership. This site is much more informative, honest, and usually, RIGHT. The dealership tried telling me that my weather techs go on top of my carpet floor matts, that the colored headlight bulbs they sell in the parts dept. are H.I.D., and I needed new brakes at 55,000 miles b/c the fluid in the reservoir was a tad low, even though at 50,000 miles, my personal inspection showed I had 60% pads left up front.
     
    Bishop2Queens6, Mar 1, 2012
    #11
  12. Mar 1, 2012 at 9:44 AM
    #12
    brutalguyracing

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    brutalguyracing BIG DADDY

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    F.U> GUYZ
    broken mods
    agreed......
    dealers are stupid
    and no additive needed
     
    brutalguyracing, Mar 1, 2012
    #12
  13. Jul 8, 2014 at 12:27 PM
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    jackbower6864

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    jackbower6864 Member

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    jackbower6864, Jul 8, 2014
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  14. Aug 21, 2018 at 6:42 AM
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    longspear

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    longspear Well-Known Member

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    Just wanted to give some perspective. I just called a local dealership and the cost for the rear diff fluid service is $150.....plus TAX!
     
    longspear, Aug 21, 2018
    #14
  15. Aug 21, 2018 at 9:16 AM
    #15
    TheDevilYouLove

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

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    That's criminal. It's easier than an oil change for goodness sakes!!
     
    TheDevilYouLove, Aug 21, 2018
    #15
    Grindstone and Biscuits like this.
  16. Aug 23, 2018 at 8:49 PM
    #16
    Lester Lugnut

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    Lester Lugnut Well-Known Member

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    Save your money.

    Super-Tech 75W-90.jpg
     
    Lester Lugnut, Aug 23, 2018
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    taco2010trd likes this.
  17. Aug 26, 2018 at 1:10 PM
    #17
    Capt Jrod

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    Capt Jrod Well-Known Member

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    I put in amsoil severe gear... I will say the inspection plug was tight as hell!!! The drain plug was pretty easy though. Transfer case is just as easy as well as front diff. The fluid is cheap so just do it!
     
    Capt Jrod, Aug 26, 2018
    #17
  18. Aug 26, 2018 at 1:18 PM
    #18
    taco2010trd

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    taco2010trd Cyber Bully

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    Just did mine again today. Used this, inexpensive and works fine.

    [​IMG]




    [​IMG]
     
    taco2010trd, Aug 26, 2018
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    TheDevilYouLove likes this.
  19. Aug 30, 2018 at 7:54 AM
    #19
    SargeBB

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    SargeBB Active Member

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    My '08 (11/08 build date) 4x4 reg. cab Tacoma had an open differential & I used Amsoil 75W-110 in it, but when I installed a Detroit True -Trac, it called for GL-5 mineral oil, no limited slip additive. I narrowed it down to Shell, Chevron, Mobil or Conoco/Phillips. All have a GL-5 mineral oil with no limited slip additive in
    $30 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75W-90. Determining that any of these would do, I found that the nearest distributor (40 miles away) had the Mobilube so that's what I'm running. It meets Detroit/Eaton (and Toyota's) specs. perfectly and it's working fine. Also available is Traveller, the Tractor Supply house brand, which also is GL-5 in 75W-90 & has no LS additive.
     
    SargeBB, Aug 30, 2018
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Products Discussed in

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