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A340F Transmission Fluid

Discussion in '1st Gen. Tacomas (1995-2004)' started by TacomaEli, Apr 19, 2020.

  1. Apr 19, 2020 at 7:04 PM
    #1
    TacomaEli

    TacomaEli [OP] Well-Known Member

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    Just wondering want fluid everyone’s using? Need to do a drain and fill and possibly a filter change too. Does anyone have the part number for the filter?
     
  2. Apr 19, 2020 at 7:40 PM
    #2
    Taco-Bell

    Taco-Bell Forestry Student, Tree Hugger, Naturalist

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  3. Apr 19, 2020 at 7:53 PM
    #3
    TacomaEli

    TacomaEli [OP] Well-Known Member

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  4. Apr 19, 2020 at 7:55 PM
    #4
    Taco-Bell

    Taco-Bell Forestry Student, Tree Hugger, Naturalist

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    Your call. I would only use the OEM specific T-IV.
     
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  5. Apr 20, 2020 at 3:59 AM
    #5
    CrippledOldMan

    CrippledOldMan Well-Known Member

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    When I had my transmission serviced at the Dealership a few years ago, the service tech told me nothing but Type IV in my 03 DC auto transmission.
     
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  6. Apr 20, 2020 at 5:58 AM
    #6
    vasinvictor

    vasinvictor Junkie

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    The absolute cheapest Dex III I can find. "Filter" is a metal screen, don't bother replacing. If you must take off the pan, just inspect, and maybe clean with some mineral spirits, and put it back in.
     
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  7. Apr 20, 2020 at 6:04 AM
    #7
    manesfesto

    manesfesto Well-Known Member

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    of course they told you that.....

    DEX III any brand
     
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  8. Apr 20, 2020 at 7:13 AM
    #8
    vettehigh

    vettehigh Tacoma Tank

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    I used this for my tranny and power steering

    castrol.jpg
     
  9. Apr 20, 2020 at 7:38 AM
    #9
    ekul310

    ekul310 Well-Known Member

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    These Aisin transmissions were put in a lot of different cars including Jeeps which did NOT specify Toyota brand fluid. I use valvoline. Anything that meets the Dex III spec it’ll work fine. Buying Toyota brand in this case is a waste of money IMO
     
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  10. Apr 20, 2020 at 7:40 AM
    #10
    TacomaEli

    TacomaEli [OP] Well-Known Member

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    So I shouldn’t bother with a new filter?
     
  11. Apr 20, 2020 at 7:41 AM
    #11
    ekul310

    ekul310 Well-Known Member

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    Clean the screen if you drop the pan. If you’re not dropping the pan, just do a few drain and refills of the fluid over a few months
     
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  12. Apr 20, 2020 at 7:44 AM
    #12
    TacomaEli

    TacomaEli [OP] Well-Known Member

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    I think my transmission has been whining for awhile. I don’t think any maintenance has been done to the transmission in about 5 years according to the PO’s records.
     
  13. Apr 20, 2020 at 7:59 AM
    #13
    Kwikvette

    Kwikvette Chief Executive Officer at Kwik Fab

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    Why even post this thread :der:
     
  14. Apr 20, 2020 at 8:01 AM
    #14
    Kwikvette

    Kwikvette Chief Executive Officer at Kwik Fab

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    The filter is cheap enough to replace; I cleaned mine with brake cleaner anyway because I didn't want to wait for shipping.

    Also, even though there's a gasket available for our pans, I'd suggest using the Toyota FIPG.
     
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  15. Apr 20, 2020 at 8:09 AM
    #15
    CrippledOldMan

    CrippledOldMan Well-Known Member

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    The reason I posted that is, that another dealership more local to me, stated that I needed the same fluid as the newer trucks were using, which I didn't believe them.So any Dex III would be okay to use if I needed to add a bit between changes. Appreciate ths info
     
  16. Jul 10, 2020 at 1:30 PM
    #16
    BoiseBound

    BoiseBound Member

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    Does anyone know the torque spec for the drain bolt on the A340F?

    Just looking to do a drain and fill
     
  17. Jul 10, 2020 at 1:37 PM
    #17
    BillsSR5

    BillsSR5 Looking out for #1

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    11 ft/pds.
     
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  18. Jul 10, 2020 at 1:39 PM
    #18
    cruiserguy

    cruiserguy Well-Known Member

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    Snug enough so it doesn't drip, I'd guess around 20 ft/lbs or so?

    Land Cruiser manual states 15 ft lbs, I was close. This isn't gonna be one of those specs you have to nail exactly. So nice and snug with regular ratchet or wrench. No breaker bars and no railroading/hamfisting it and you'll be okay.

    I can appreciate you wanting to do things by the book though. Absolutely nothing wrong with that :cool:

    tmp-cam-6929855811011023782.jpg
     

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