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Transmission Fluid on a 2017 AT

Discussion in '3rd Gen. Tacomas (2016-2023)' started by dutchcontractor, Sep 25, 2020.

  1. Sep 25, 2020 at 7:39 PM
    #1
    dutchcontractor

    dutchcontractor [OP] Well-Known Member

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    Bear with me, I have tried searching the forums but can't seem to find what I'm looking for. I can only find topics on adding when low and checking levels.

    Do you change the transmission fluid on these trucks? Mine's about to hit 70k. If so, do you flush or drain and fill? Screens/filters?
    How difficult is it to DIY? I have changes the diff oils and do oil changes myself, is this something else to DIY?

    I appreciate any help!
     
  2. Sep 25, 2020 at 7:43 PM
    #2
    T-yoda

    T-yoda Well-Known Member

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    Iv done a flush on my 17
    Even tho it sits at just 33k... iv only ever done flushes on these with oem fluid... to each there own.
     
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  3. Sep 25, 2020 at 7:49 PM
    #3
    dutchcontractor

    dutchcontractor [OP] Well-Known Member

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    Did you do it at a dealer? What was the cost?
     
  4. Sep 25, 2020 at 7:58 PM
    #4
    T-yoda

    T-yoda Well-Known Member

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    265-75-16 BFG AT, firestone riderites
    I work at one. Probably cost 299 give or take... I tow 5k lb camper and thought I would flush the fluid... fluid was still bright red in color.
     
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  5. Sep 25, 2020 at 8:01 PM
    #5
    T-yoda

    T-yoda Well-Known Member

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    265-75-16 BFG AT, firestone riderites
    There are threads in this that provide good insight on diy drain and fills, maybe it’ll help you decide which way to go about this.
     
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  6. Sep 25, 2020 at 8:03 PM
    #6
    mattleg

    mattleg Well-Known Member

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    If you're comfortable with oil changes, you can DIY the transmission fluid. The "severe" service interval is 60k with three drain and fill cycles.

    Getting fluid back in can be a challenge just by the location of the fill, and the level check procedure uses a jumper on the OBD port. All and all DIY if you take your time and follow the process.
     
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  7. Sep 25, 2020 at 8:10 PM
    #7
    T-yoda

    T-yoda Well-Known Member

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    265-75-16 BFG AT, firestone riderites
    Time consuming process. Checking fluid level at a precise temperature range is key... dealer sometimes is the way to go
     
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  8. Sep 25, 2020 at 8:18 PM
    #8
    Bishop84

    Bishop84 Well-Known Member

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    It's a process, just filling it is a pain.

    I'd suggest a shop.

    Basically its an overflow type.

    You drain the pain from the far plug, fill it with 4 liters, pin the thermostat, run to 40 degrees, open the check plug, wait till trickle. Bolt all things up.

    There are write ups on here, but its not a typical DIY like an oil change.
     
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