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Diff oil change?

Discussion in '3rd Gen 4Runners (1996-2002)' started by Trekker, Jun 8, 2021 at 4:09 PM.

  1. Jun 8, 2021 at 4:09 PM
    #1
    Trekker

    Trekker [OP] Regular Member

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    I plan to change my diff oil tomorrow.

    Is 75W90 alright to use in the diff (non locking diff)?

    What is the Toyota part number for the crush washers that you use for the diff drain plugs?
     
  2. Jun 8, 2021 at 4:24 PM
    #2
    Overlandcharlie

    Overlandcharlie Long way from home

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    Yes on the diff fluid.
     
    Trekker [OP] likes this.
  3. Jun 8, 2021 at 4:24 PM
    #3
    Jynarik

    Jynarik I like boobies

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  4. Jun 9, 2021 at 8:56 PM
    #4
    PhantomTweak

    PhantomTweak New Member

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    None. Bone Stock. EXCEPT: Brushguard, tow hitch, both welded to the frame. It's good to have friends and a fully equipped garage!
    75W90 is fine for a wide range of climates. Not for a miserable, nasty, hot, dessicated (and I wish I could think of more superlatives right now. I hated Yuma!), place like Yuma, Az, but most places.

    The thing to remember, I understand, is the GL- rating.
    The diffs, I believe, should be GL-4, and the tranny GL-5. I might well have that bassackwards, though. I usually get it backwards, no matter what. I even put a PostIt on my screen, but my kitten ran off with it, and I can't find it. :(

    I just checked YotaTech. I got it right! HA! Take THAT you darn leaky brain! AND you, you sneaky, rotten, little kitten... :yes:

    I don't know if they changed things much, but my 2 87's still have the factory provided crush washers on the trannies and differentials. I've had the pickup since 88, and the 4Runner since 97, and kept up a regular change of the fluids on both, so it's not like I never take the drain plugs/fill plugs out.
    I haven't had the 99 long enough to change anything, yet, though, so I can't say about it's washers.

    Good luck, and have fun!
    Pat☺
     
  5. Jun 10, 2021 at 1:16 AM
    #5
    Trekker

    Trekker [OP] Regular Member

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    Anyone know the torque spec on the drain plugs
     
  6. Jun 10, 2021 at 2:46 AM
    #6
    Mohoman

    Mohoman New Member

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    Queen of Battle
  7. Jun 10, 2021 at 11:46 AM
    #7
    PhantomTweak

    PhantomTweak New Member

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    Patrick
    OREGON
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    1987 4Runner all stock, owned 32 years
    None. Bone Stock. EXCEPT: Brushguard, tow hitch, both welded to the frame. It's good to have friends and a fully equipped garage!
    Seems kinda high to me, but that link specifies
    Pretty tight, but I guess with a new crush washer on, it will NOT leak :)

    Have fun!
    Pat☺
     

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