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Replacing differential oil and correct oil to use

Discussion in '3rd Gen 4Runners (1996-2002)' started by horse, Feb 21, 2024.

  1. Feb 21, 2024 at 12:29 PM
    #1
    horse

    horse [OP] New Member

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  2. Feb 21, 2024 at 1:24 PM
    #2
    icebear

    icebear Recovering Kia Owner

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    1. It's not - the hardest part is getting the bolts off if they're stuck - but it's as simple as such a procedure can be. You're just changing the oil on a metal sphere with drain and fill ports. It was actually harder on my Sorento since you had to drop the spare and get an extension to access the fill plug through a metal support.

    2. 75W-90 will be fine.
     
  3. Feb 21, 2024 at 4:40 PM
    #3
    Trekker

    Trekker Regular Member

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    It's more difficult because the diff plugs have a longer time to seize up between changes than engine oil. That oil will be fine.
     
  4. Feb 21, 2024 at 5:51 PM
    #4
    horse

    horse [OP] New Member

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    ICEBEAR, TREKKER thank you!
     
    icebear likes this.
  5. Feb 22, 2024 at 1:10 PM
    #5
    PhantomTweak

    PhantomTweak New Member

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    Patrick
    OREGON
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    1999 4Runner, bone stock
    None. Bone Stock. EXCEPT: Brushguard, tow hitch, both welded to the frame. It's good to have friends and a fully equipped garage!
    One thing that's very important to remember is to make sure you can remove the fill plug before you pull the drain plug to empty it. If you can't fill it back up, draining it is a forlorn action.
    Once the fill plug is out, it's safe to remove the drain plug to empty it.

    It's a good idea, if a plug is difficult to get out, to chase the threads before you put the plug back in.
    IMHO, don't use any kind of thread locker. No locktite red, yellow, whatever.

    Good fortune!
    Pat☺
     
  6. Feb 25, 2024 at 5:46 PM
    #6
    horse

    horse [OP] New Member

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    Thanks.
     

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