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How to Drain/Refill Automatic Transmission

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Fortech, Dec 5, 2009.

  1. Dec 28, 2020 at 9:37 AM
    #1681
    seedy_tea

    seedy_tea Well-Known Member

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    you can take the jumper out once you're in check mode and it will run normally. stays in check mode until truck is turned off.
     
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  2. Dec 28, 2020 at 9:38 AM
    #1682
    seedy_tea

    seedy_tea Well-Known Member

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    stick the wire into each hole, turn on the truck, do the procedure, then you can remove the jumper if you choose.
     
  3. Jan 15, 2021 at 8:40 AM
    #1683
    AZOverland

    AZOverland Well-Known Member

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    Great write-up, and tips mentioned by others.
    I will plan to perform this drain & fill task on my 2007 with 148k miles very soon.
    Anything I should keep in mind other than the tips and comments already mentioned by others?
    Should I take a peek at my filter, or just keep to the pan magnets?

    I would also like to note: I cannot confirm if my ATF fluid has been changed before. Will have to refer to my maintenance records from previous owner.
    If there is no record of previous change, I plan to perform this drain & fill a few times, perhaps at 30k intervals.
     
    Last edited: Jan 15, 2021
  4. Jan 15, 2021 at 9:02 AM
    #1684
    spitdog

    spitdog Well-Known Member

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    You have to remove the pan to get to both, so in makes sense to do both.
     
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  5. Jan 15, 2021 at 9:04 AM
    #1685
    AZOverland

    AZOverland Well-Known Member

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    Ah, that's true! My brain isn't working too well this morning I suppose.
     
  6. Jan 27, 2021 at 5:12 PM
    #1686
    badweatherbiker

    badweatherbiker Well-Known Member

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    so this procedure would basically be the same if I were dropping the pan and replacing the screen, I would just be adding a little more fluid? should I replace my pan bolts? there is no local Toyota dealership so big box screen and gaskets should be good? My trans fluid was changed at 40,000 miles by jiffy lube and it now has 109,000 miles so its def due.
     
  7. Jan 27, 2021 at 5:19 PM
    #1687
    Plain Jane Taco

    Plain Jane Taco 2021 > 2020

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    Yep....and I see no reason to replace the pan bolts
     
  8. Jan 31, 2021 at 1:06 PM
    #1688
    badweatherbiker

    badweatherbiker Well-Known Member

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    So what do we do if we don't have an at temp light?
     
  9. Jan 31, 2021 at 1:07 PM
    #1689
    Plain Jane Taco

    Plain Jane Taco 2021 > 2020

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    Then you don't have an automatic
     
  10. Jan 31, 2021 at 1:17 PM
    #1690
    badweatherbiker

    badweatherbiker Well-Known Member

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    Yes I have an auto, light never lights up
     
  11. Jan 31, 2021 at 1:45 PM
    #1691
    badweatherbiker

    badweatherbiker Well-Known Member

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    Added a squirt of atf fluid and put it all up for today, no AT temp light when I start my truck or when I jump the wire and shift 6 times between N and D. I even let it idle for 20 mins, stupid design...
     
  12. Jan 31, 2021 at 5:57 PM
    #1692
    ImpulseRed008

    ImpulseRed008 Gone But Not Forgotten

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    If it was chilly out, might take longer than 20 minutes to get up to temp
     
  13. Jan 31, 2021 at 6:14 PM
    #1693
    badweatherbiker

    badweatherbiker Well-Known Member

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    Made it to 73 here in Florida today even with the rain, main problem is I never see the AT temp light. It doesn't even come on for 2 seconds when I jump the OBD2.
     
  14. Jan 31, 2021 at 6:43 PM
    #1694
    badweatherbiker

    badweatherbiker Well-Known Member

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    Does anyone know if the temperature can be read by a scan tool? I have the BAFX bluetooth scanner and Torque lite already but it's not on there, if I buy and download Torque pro will I be able to read the transmission temp?
     
  15. Jan 31, 2021 at 7:24 PM
    #1695
    Knute

    Knute Well-Known Member

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    Something isn't right with the initialization of the A/T check sequence.

    Verify you are jumping the correct pins in the OBD port. IIRC, its pins #4 and #13. This should cause the dashboard to go "crazy" with lights.
    Then follow the sequence.

    Remember, the shifts are each counted......N to D =1, D to N=2........so on and so forth. Note: the A/T may not light after this shift sequence.
     
  16. Jan 31, 2021 at 7:26 PM
    #1696
    Sacrifice

    Sacrifice Motorcycle Goon

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    Yes temps can be read, i have the ultragauge.

    Not sure on the torque pro
     
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  17. Jan 31, 2021 at 7:42 PM
    #1697
    badweatherbiker

    badweatherbiker Well-Known Member

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    Followed this exact sequence, got the funky lights but no AT light. Ill try again tomorrow
     
  18. Jan 31, 2021 at 7:43 PM
    #1698
    badweatherbiker

    badweatherbiker Well-Known Member

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    Thanks of I can't get it to work right like the instructions on this thread I'll just buy the Torque pro and use the temp on the OBD2 reading
     
  19. Jan 31, 2021 at 7:47 PM
    #1699
    Knute

    Knute Well-Known Member

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    You may need to wait a bit after you complete the sequence.

    My A/T light did not come on to confirm the sequence. I tried several times. Then I decided to just wait. After about 15 minutes, the A/T began to flicker, then another minute it became solid. I checked fluid level at this point.
     
  20. Jan 31, 2021 at 7:58 PM
    #1700
    badweatherbiker

    badweatherbiker Well-Known Member

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    Thanks I'll try it again tomorrow, I did wait 20 mins but maybe it wasn't long enough.

     

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