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Gear Oil

Discussion in '2nd Gen. Tacomas (2005-2015)' started by maunal4life, May 17, 2019.

  1. May 17, 2019 at 7:10 PM
    #1
    maunal4life

    maunal4life [OP] New Member

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    So I'm wanting to change the gear oil on the front diff, rear end, and transmission (5 speed 4x4)
    How much gear oil I will need for all three, and do you have to run different weight gear oil in them?
    Truck is an 06 single cab 4x4 manual.

    Thanks.
     
  2. May 17, 2019 at 7:23 PM
    #2
    Biscuits

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  3. May 17, 2019 at 7:31 PM
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    JeffreyB

    JeffreyB Well-Known Member

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    I seem to remember the transmission needing GL-4 where GL-5 is fine in diffs. Gonna go grab my manual to double check that.

    Edit: Just confirmed in my manual GL-4 in the trans, GL-5 in the Diffs. Hit the transfer case while you are at it. 75-90 on all 3. The manual actually calls for 75-85 in the diffs but that is a bunch of horse shit to get you to buy the Toyota fluid.
     
    Last edited: May 17, 2019
  4. May 17, 2019 at 7:35 PM
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    Clearwater Bill

    Clearwater Bill Sometimes when I close my eyes, I can't see.

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  5. May 17, 2019 at 7:35 PM
    #5
    KaPantsKey

    KaPantsKey Well-Known Member

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    I assume you mean the transfer case when you say transmission? If that is correct, I purchase 6 quarts to do all 3 (front diff, transfer case, and rear diff). I use Mobil1 75W-90, but that is up to you. Do make sure your rear diff requires LSD additive, or not. I can't remember if the 2006's need them.
     
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  6. May 17, 2019 at 7:48 PM
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    Biscuits

    Biscuits Thorny Crown of Entropy

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    That is what I assumed.
     
  7. May 17, 2019 at 8:17 PM
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    Dalegribble02

    Dalegribble02 Well-Known Member

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    I use 75 90 in my rear diff front diff and transfer case.
     
  8. May 17, 2019 at 8:34 PM
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    maunal4life

    maunal4life [OP] New Member

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    It's a manual transmission so I'm trying to figure what gear oil to put in it. I've got the 75W-90 for the diffs and transfer case.
     
  9. May 17, 2019 at 8:35 PM
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    Biscuits

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  10. May 17, 2019 at 9:51 PM
    #10
    b_r_o

    b_r_o We need to talk about your flair

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    We've got a barrel of 80w-90 in the shop and i just use that cause its free
     
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  11. May 28, 2019 at 11:52 AM
    #11
    Norton

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    75W-90 is suitable for the transmission, transfer case, front diff, and rear diff.

    FWIW, I've had good results with Amsoil Severe Gear 75W-90 in all of the above for years in my previous 1st Gen and my current 2nd Gen.
     
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