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Change Your front Diff fluid!

Discussion in '3rd Gen. Tacomas (2016+)' started by bobrown14, Nov 2, 2016.

  1. Nov 2, 2016 at 5:00 PM
    #1
    bobrown14

    bobrown14 [OP] Well-Known Member

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    Today I changed out my front diff fluid. Was expecting to see fairly clean fluid since I don't go wheeling very hard or very often. I do get into 4wd usually once a week tho.

    After changing fluid.. I tried the 4WD-hi on the go... smooth as silk.. no bang and or even a click.. right into 4wd and same with dis-engage on the fly. Now I need some under armor down there. The front diff is wide open and it's not as hefty as the rear diff. LOTS more parts to get messed up on rocks & curbs at the mall.

    Here's my observations. Just as much if not more gunk on the magnet. Fluid looked a bit darker than the rear, and the fluid level was low ... stuck finger in hole ... couldn't find the fluid. I drained it out into a container so I could be sure I put the same or more back in.

    FYI anyone wanting to do this. Get the washer kit from Amazon there's a special copper washer for the front diff drain and you need a breaker bar to get it out - I used a 16oz hammer on my 3/8 ratchet handle cause I couldn't find my 1/2 drive socket that fits. I put some dings on the handle.. Glad I didn't wait longer.. I was thinking about getting the torch out. So yeah 14K on the truck... front diff black gear oil... yeah not waiting. I'll do it again next fall and see if it looks better. That Amsoil gear oil is good for 100+K miles. Yeah right... not.

    Washer kit link: I bought extra crush washers from my local Toyota dealer.. since this kit is only for the drain plugs and not the fill plugs. Always good to have extra crush washers. Kind weird Toyota has 3 different style drain washers... but it is what it is.

    https://www.amazon.com/gp/product/B017V4BAXI/ref=oh_aui_search_detailpage?ie=UTF8&psc=1


    The owners manual calls for 1.6 gts of gear oil.. I put that much in, don't think I got that much out for sure.

    Here's a pic or 2 of the gear oil after draining: That's black... and there's some crud off the magnet.

    [​IMG]

    This is what I put in there and what was left after the refill. Filled to over flow...you will need a pump. Well it makes it take 5 minutes with the pump. Takes longer to clean up after than to do the drain and fill.

    [​IMG]
     
    vale46 and TXpro4X4 like this.
  2. Nov 2, 2016 at 5:39 PM
    #2
    CoastieLT

    CoastieLT Well-Known Member

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    So what other crush washers did you need besides the kit you mentioned? Do you have a part number? My dealer parts department is a little challenged. Thanks.
     
  3. Nov 2, 2016 at 6:29 PM
    #3
    Vbpiper

    Vbpiper Well-Known Member

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  4. Nov 2, 2016 at 6:37 PM
    #4
    Mush Mouse

    Mush Mouse Club Soda Not Seals

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    its a Toyota truck and that's all the modifications needed
    FYI, you can reuse the copper washer,the transfer case washers, you just need to buy 3 new crush types they are not reusable, I have done this few times and have no leaks ever reusing those 3 washers
     
  5. Nov 2, 2016 at 6:40 PM
    #5
    Joe23

    Joe23 Canuckistikian

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  6. Nov 2, 2016 at 6:43 PM
    #6
    IronPeak

    IronPeak Lurker

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  7. Nov 2, 2016 at 6:46 PM
    #7
    Vbpiper

    Vbpiper Well-Known Member

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    Yeah. My point exactly. The OP noted that his kit only included gaskets for the drain plugs, but the link provided has 6 pieces total. I was just trying to clarify if we had the same kits.
     
    IronPeak likes this.
  8. Nov 2, 2016 at 6:55 PM
    #8
    redneck47441

    redneck47441 Member

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    What spec fluid did you put back in?
     
  9. Nov 2, 2016 at 10:39 PM
    #9
    Z50king

    Z50king DCLBOR4X4FTW

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  10. Nov 3, 2016 at 12:00 PM
    #10
    bobrown14

    bobrown14 [OP] Well-Known Member

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  11. Nov 3, 2016 at 12:04 PM
    #11
    bobrown14

    bobrown14 [OP] Well-Known Member

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    You cant see the pics I attached??

    How about now??

    20161102_160035.jpg

    20161102_155818.jpg

    20161102_155748.jpg
     
  12. Nov 3, 2016 at 12:05 PM
    #12
    0210

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    Hmm... I should do this. Thanks for the write up!
     
  13. Nov 3, 2016 at 12:10 PM
    #13
    TXpro4X4

    TXpro4X4 Fuck Cancer!

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    Nice write up thx
     
    bobrown14 [OP] likes this.
  14. Nov 3, 2016 at 12:11 PM
    #14
    CanyonRunner

    CanyonRunner 100% PENETRATION

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    Changed my front and rear at 3k, front was very clean, rear was dirty. Neither looked as black as yours and I offroad often.
     
  15. Nov 3, 2016 at 4:31 PM
    #15
    vale46

    vale46 Well-Known Member

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    Great post!

    I change my own oil, but never done this on anything in the past. I guess I'll do it one day
     
  16. Nov 8, 2016 at 8:06 AM
    #16
    bobrown14

    bobrown14 [OP] Well-Known Member

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    Wheels tires sliders LED fogs VooDoo racks tail gate letters bed liner - suspension on the way....
    The front and rear were dirty but I think the front was blacker for some reason.... glad I changed it.

    The other day I changed my manual transmission fluid.. that was pretty clean... something that surprised me was there was no magnet in the drain plug!!

    I have 14K miles... don't off road a whole lot I do run the truck in 4wd-hi at least once a week tho not always in low.

    What I noticed after the front diff fluid change the truck shifts in and out of 4wd-hi WAY smoother... before change sometimes it would hang and not switch in or out... why I changed it in the first place. Now 2 blinks and its engaged or dis-engaged. I think my diff was low on fluid too. I couldn't feel the old oil sticking my pinky finger in there and reaching down as far as I could ... nothing. Now filled to over flow.
     
  17. Dec 13, 2016 at 7:11 PM
    #17
    hirod

    hirod Well-Known Member

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    i have my skids on my truck still but i am planning on doing this soon, same time i do my ecgs bushing install. i feel pretty stupid asking but where are the drain and fill plugs for the front diff?

    edit: nm. i found a how to thread.
     

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