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Rear diff fluid

Discussion in '4 Cylinder' started by dawgn86, Nov 21, 2019.

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  1. Nov 21, 2019 at 5:53 PM
    #1
    dawgn86

    #1
    dawgn86 [OP] Well-Known Member

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    Hey gang

    Going to change out my diff fluid soon. I have a 2013 per runner double cab automatic.

    What fluid should do you guys use? Any additives needed?

    Thanks
     
    dawgn86, Nov 21, 2019
    #1
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  2. Nov 21, 2019 at 5:55 PM
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    BassAckwards

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    BassAckwards Well-Known Member

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    Youll need 3 qts of 75w90. No LSD additives necessary, yours is brake actuated

    i run Lucas 85w140 for a little more protection
     
    BassAckwards, Nov 21, 2019
    #2
  3. Nov 21, 2019 at 6:00 PM
    #3
    dawgn86

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    dawgn86 [OP] Well-Known Member

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    Thanks
     
    dawgn86, Nov 21, 2019
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  4. Nov 21, 2019 at 6:03 PM
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    BassAckwards

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    BassAckwards Well-Known Member

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    Make sure you take the fill plug out first before you drain it, and i recommend using a 6pt socket. Its a 24mm
     
    BassAckwards, Nov 21, 2019
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  5. Nov 21, 2019 at 6:06 PM
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    dawgn86

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    dawgn86 [OP] Well-Known Member

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    Yep. Learned that the hard way many years ago :)
     
    dawgn86, Nov 21, 2019
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  6. Nov 21, 2019 at 6:09 PM
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    rnish

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    rnish Well-Known Member

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    King's, Camburg UCA, Dirt King LCA, armor
    Suggest buying new crush washers (e.g., off Amazon).
     
    rnish, Nov 21, 2019
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  7. Nov 21, 2019 at 6:21 PM
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    dawgn86

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    dawgn86 [OP] Well-Known Member

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    Do you know the part number for the crush washer?
     
    dawgn86, Nov 21, 2019
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  8. Nov 22, 2019 at 12:27 PM
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    96carboard

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    96carboard Well-Known Member

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    {anything}W90.
     
    96carboard, Nov 22, 2019
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  9. Nov 22, 2019 at 12:28 PM
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    96carboard

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    96carboard Well-Known Member

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    Fixed 4 ya.
     
    96carboard, Nov 22, 2019
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  10. Nov 22, 2019 at 12:57 PM
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    BassAckwards

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    BassAckwards Well-Known Member

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    :duh:
     
    BassAckwards, Nov 22, 2019
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  11. Nov 23, 2019 at 9:16 AM
    #11
    iamroddy

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    iamroddy Well-Known Member

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    I guess I'm the odd man out...I use the viscosity listed in my owner's manual (75W85). Not many companies offer it, so I went with Redline's full synthetic formula.
    In all honesty, There's not much difference between 75W85 and 75W90...Toyota probably only uses/lists it for CAFE (Corporate Average Fuel Economy) reasons.
     
    iamroddy, Nov 23, 2019
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  12. Nov 23, 2019 at 1:20 PM
    #12
    buyobuyo

    #12
    buyobuyo Read The Fucking Manual

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    A thing or two...
    75W85 is a 3rd gen thing. 2nd gens call for 75W90. If you buy a diff from ECGS, they recommend using non-synthetic 85w140.

    The comment above about more fuel consumption is funny because bigger/heavier wheels/tires, lift kits, armor, and regearing are going to be more detrimental to fuel consumption than a thicker oil.
     
    buyobuyo, Nov 23, 2019
    #12
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  13. Nov 23, 2019 at 1:33 PM
    #13
    Black DOG Lila

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    Black DOG Lila Well-Known Member

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    Stock. EZ pass.Dump pass.Inspection sticker.Convict printed lic.plates.FG cap.
    Search Amazon for 12 pack plug washers transfer, differential, transmission.
     
    Black DOG Lila, Nov 23, 2019
    #13
  14. Nov 23, 2019 at 4:29 PM
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    iamroddy

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    iamroddy Well-Known Member

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    I could be wrong, but I'm pretty sure my 2011 is a 2nd gen...

    You're right though, next to a bunch of added weight, any difference gear oil makes will be pretty minimal.
     
    iamroddy, Nov 23, 2019
    #14
  15. Nov 23, 2019 at 4:31 PM
    #15
    cruxofthebisquit

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    cruxofthebisquit Well-Known Member

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    OME and worth every penny.
    yep.
     
    cruxofthebisquit, Nov 23, 2019
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  16. Nov 26, 2019 at 8:08 AM
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    CPA/MBA

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    24mm = 15/16"
     
    CPA/MBA, Nov 26, 2019
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  17. Nov 26, 2019 at 8:13 AM
    #17
    BassAckwards

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    BassAckwards Well-Known Member

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    24mm = metric
    15/16" = sae

    i wouldnt recommend using an SAE socket on our metric bolts.. they are similar sizes yes, but different enough to cause problems. A metric 6sided socket is the way to go:thumbsup:
     
    BassAckwards, Nov 26, 2019
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  18. Nov 26, 2019 at 8:17 AM
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    96carboard

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    96carboard Well-Known Member

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    Well actually in this case, the metric size is marginally larger than the SAE size at 0.9449 inches vs 0.9375 inches. If the SAE size fits without being hammered, then it would actually be a better choice.

    When the opposite is true, i.e., the metric size is *smaller* than the SAE size, then the metric size should definitely be used.
     
    96carboard, Nov 26, 2019
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  19. Nov 26, 2019 at 8:51 AM
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    dawgn86

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    dawgn86 [OP] Well-Known Member

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    I have a Lisle low profile 24" mm six point socket
     
    dawgn86, Nov 26, 2019
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  20. Nov 26, 2019 at 8:58 AM
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    gotoman1969

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    gotoman1969 Well-Known Member

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    Or you could just use the right tool for the job.
     
    gotoman1969, Nov 26, 2019
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Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
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