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Diff Fluid

Discussion in '1st Gen. Tacomas (1995-2004)' started by Yawehh, Jan 24, 2022.

  1. Jan 24, 2022 at 3:36 PM
    #1
    Yawehh

    Yawehh [OP] Member

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    Need recommendation. Have 04, double cab 4 x 4. need to change front Differential fluid …..
    can I safely use a generic fluid or must I use Toyota only fluid.?
     
  2. Jan 24, 2022 at 3:39 PM
    #2
    plurpimpin

    plurpimpin Well-Known Member

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    Pick any flavor you like. They're all the same as long as you're using the correct weight. I like the Mobil 1 synthetic stuff but everyone has there preference/brand loyalty

    If the front diff is due you should also do the transfer case and rear diff at the same time.
     
    Wulf likes this.
  3. Jan 24, 2022 at 3:39 PM
    #3
    Andy01DblCabTacoma

    Andy01DblCabTacoma Well-Known Member

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    San Diego, CA
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    F: Kings SPC, R: 5100s+J59s. Custom armor.
    You can safely use a generic fluid that matches the spec in the owners manual (1.2 QT - SAE 75W-90). A lot of folks will have a brand preference.

    The drain and fill plugs on the front are notoriously difficult to work with. They are a 12mm hex head. I have a nice set of hex head adapters for my socket set so I can get on them with a breaker bar.

    Remove the fill plug first. Then the drain plug.
     
  4. Jan 25, 2022 at 8:34 AM
    #4
    Chacho87

    Chacho87 Member

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    Use whatever brand you prefer, just make sure its the correct weight. I recently replaced my gear oil on my front differential, rear differential, and transfer case with Mobil-1 75W-90 because it was decently priced and locally available.
     
  5. Jan 25, 2022 at 8:36 AM
    #5
    Wulf

    Wulf no brain just damage

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    any brand of 75W90 is appropriate. Whatever you can find in stock is good to go.
     
  6. Jan 25, 2022 at 12:23 PM
    #6
    Kwikvette

    Kwikvette Chief Executive Officer at Kwik Fab

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    As mentioned, 75W90.

    Personally, I used Lucas -

    20210120_115945.jpg

    Good time to replace your fill and drain plugs with Lexus variants;

    90341-24016
    90341-18060

    Don't forget the crush gaskets either;

    90430-24003
    12157-10010
     
  7. Jan 25, 2022 at 12:33 PM
    #7
    Nessal

    Nessal Well-Known Member

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    Good luck removing that drain plug....
     
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  8. Jan 25, 2022 at 12:37 PM
    #8
    Kwikvette

    Kwikvette Chief Executive Officer at Kwik Fab

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    The trick really is making sure the plug is completely clean; it's pretty shallow as it is.

    I used a pick to scrape any and all dirt and grime that was caked in there.

    Afterward, I placed the allen-head socket in the plug and whacked it with a hammer a few times to "break" it loose. Went to town on it with a 1/2" drive wrench to loosen it and it came out easily without issue.
     
    Area51Runner, Bivouac and Wulf like this.
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