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Rear differential oil change...

Discussion in '2nd Gen. Tacomas (2005-2015)' started by LancerRevo, May 23, 2019.

  1. May 23, 2019 at 8:51 PM
    #1
    LancerRevo

    LancerRevo [OP] Active Member

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    I have an 07 pre runner 4.0v6 4D DCLB that doesn't have a locker, trac control, and none of that good stuff haha. I've thought I've read before if I don't have the LS sticker on it, I don't use it. If I am on the right track, what should I get in the 75w-90?? I wanted Mobil 1 but it only comes in LS -_-

    20190523_164219.jpg
    20190224_161849.jpg
     
  2. May 23, 2019 at 9:26 PM
    #2
    TacomaSport86

    TacomaSport86 2010 Tacoma/2016 4Runner Pro

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    Brand dont really matter just get the proper viscosity
     
  3. May 23, 2019 at 9:36 PM
    #3
    Sharpish

    Sharpish Well-Known Member

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    Do the diff breather mod even if you don't dunk the diff in water to normalize the pressure in the diff, then put in redline 75-140 and forget about it for 150 000 miles.
     
    TheDevilYouLove likes this.
  4. May 23, 2019 at 9:39 PM
    #4
    DavesTaco68

    DavesTaco68 Well-Known Member

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    Big plans, small budget - ICON UCAs, BP51/Kings, SCS wheels, 285 KO2s, Leer 100XR canopy.
    see if there is any info here,
    https://www.tacomaworld.com/threads/changing-differential-fluid-a-step-by-step-how-to.24545/
     
    Last edited: May 23, 2019
  5. May 24, 2019 at 3:12 AM
    #5
    diabetiktaco

    diabetiktaco Instalander

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    75 90 Mobil 1 is fine. Make sure you remove the fill plug prior to opening the drain plug. Process is simple as can be and should take you no more than 15 mins. Make sure to check the magnet on the plug and note any metal attached. Wipe it clean and replace..
     
    Tatts521 likes this.
  6. May 24, 2019 at 3:30 AM
    #6
    Blockhead

    Blockhead Well-Known Member

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    An easy way to fill the rear diff is to remove the spare tire. It may sound weird but it makes it really easy to access the differential fill hole without having to use a pump. Also, it gets you familiar with the inner workings of the spare tire, cable etc...and don’t forget to check air pressure in the spare while you’re down there.
     
  7. May 24, 2019 at 4:37 AM
    #7
    TheDevilYouLove

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

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    ^^This is the way I do it as well. Makes it way easier to get the 3.1 quarts of diff fluid in there if you can pour straight from the bottle and don't have to use a pump. It's also a good time to coat the spare tire mechanism and cable with fluid film.
     
    ucdbiendog and jproffer like this.
  8. May 24, 2019 at 4:47 AM
    #8
    jproffer

    jproffer Well-Known Member

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    Another vote for taking the spare tire down. Just did mine for the first time Tuesday, and I didn't....but as I layed there pumping 1/1000th (seemed like) of a quart of oil per pump, I had a lot of time to think about that...next time, the spare will be down.

    Oh yea, I think I've read somewhere that even if you don't NEED the LS additive, it don't hurt anything if it's already in the oil you use....but before you believe that, wait for some more opinions because I'm not sure where I saw it (other than on this website...somewhere), and I could have misunderstood or I could be remembering wrong.
     
  9. May 24, 2019 at 5:20 AM
    #9
    L J

    L J Well-Known Member

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    I’m pretty sure that the friction modifier is ok in a non LS Diff. Went to the Mobile 1 site and used their “oil finder” with your truck info and it came up in the list.
    Just curious if your fuel door hinge is failing like mine (same year) at the hinge. Also what is the star on your door about.
     
  10. May 24, 2019 at 7:39 AM
    #10
    81shark

    81shark Well-Known Member

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    am i the only one that looked for a handicap placard
     
    L J and ABNFDC like this.
  11. May 24, 2019 at 8:39 AM
    #11
    spitdog

    spitdog Well-Known Member

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    Look closely at the driver.
     
  12. May 24, 2019 at 8:42 AM
    #12
    81shark

    81shark Well-Known Member

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    Bottom of the windshield? Is that what they use in what appears to be tx?
     
  13. May 24, 2019 at 8:52 AM
    #13
    spitdog

    spitdog Well-Known Member

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    No, I meant the little dog. Hehe. I’m sure it’s difficult for him getting in and out.
     
  14. May 24, 2019 at 8:55 AM
    #14
    nd4spdbh

    nd4spdbh Well-Known Member

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    LS additive in a non clutch pack LS diff is perfectly fine, I use mobil 1 75w-90 full syn with LS additive or Vavoline 75w-90 full syn with LS additive depending on which is cheaper in my TRD OR with the locker (just an open diff) and no issues.

    CRACK THE FILL PLUG FIRST, you dont wanna drain the diff if you cant fill it!
     
  15. May 24, 2019 at 8:58 AM
    #15
    NYCTaco52

    NYCTaco52 Half man, half goat

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    I don’t get this, I poured literally from the bottle and didn’t remove the spare tire at all. Had no leaking from the bottle and plenty of room to tilt it up. Fill up took like 3 mins
     
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  16. May 24, 2019 at 9:07 AM
    #16
    nd4spdbh

    nd4spdbh Well-Known Member

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    dropping the spare tire is quick, should be done to make sure that the spare tire mechanism isnt frozen, allows you to top off pressure in the spare and make sure job easier, Dunno why you wouldnt take the 2 min to drop it.
     
    TacomaSport86 likes this.
  17. May 24, 2019 at 9:09 AM
    #17
    jproffer

    jproffer Well-Known Member

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    I dunno. Different trucks I guess. When my quart bottle hit the spare, the bottle was just level, at best...maybe even still down a little. So I had to go to plan B...pump it :( .
     
  18. May 24, 2019 at 9:12 AM
    #18
    NYCTaco52

    NYCTaco52 Half man, half goat

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    Because if it’s not necessary during a fluid change, then not going to. All that spare checking is fine and dandy, but that doesn’t mean I gotta add to what little time I have to spare.
     
  19. May 24, 2019 at 9:47 AM
    #19
    Hartford

    Hartford Well-Known Member

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  20. May 24, 2019 at 11:33 AM
    #20
    L J

    L J Well-Known Member

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    ^^^nice tool. I’d buy that if I was maintaining a fleet. I just use one of those long neck funnels with a hose attached to it. I filled the front diff and trans from under the hood. Rear diff from the rear wheel well.
     

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