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ATF Burned!

Discussion in '3rd Gen Tundras (2014-2021)' started by Greg Marmalard, Sep 20, 2020.

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  1. Oct 1, 2020 at 2:45 PM
    #211
    John175

    John175 Not Sure

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    Non-stop mods
  2. Oct 1, 2020 at 4:16 PM
    #212
    Catmann1972

    Catmann1972 New Member

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    Transmission Temperature 1 - pan
    TXD: 07E02182
    RXF: 046105820000
    RXD: 2808
    MTH: 00090005FFD8
    NAM: TF1

    Transmission Temperature 2 - Torque Converter output
    TXD: 07E02182
    RXF: 046105820000
    RXD: 3808
    MTH: 00090005FFD8
    NAM: TF2
     
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  3. Oct 1, 2020 at 4:19 PM
    #213
    Sundog

    Sundog New Member

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    :rofl:
     
  4. Oct 1, 2020 at 4:53 PM
    #214
    Taco-Bender

    Taco-Bender Old Guys Rule

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    Might as well hop on the train.

     
  5. Oct 1, 2020 at 5:16 PM
    #215
    itsmerh85

    itsmerh85 New Member

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  6. Oct 1, 2020 at 5:18 PM
    #216
    Fearthisbeard

    Fearthisbeard New Member

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    Posting from OPs other thread

    atfreport.jpg
     
  7. Oct 1, 2020 at 5:58 PM
    #217
    Famof5Tundy

    Famof5Tundy New Member

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    Just getting started
    So...2 things

    1. OP was holding out and posted info on a new thread after all this traction in here????:facepalm:

    2. Looks like based on the notes, no big deal, ATF is good?
     
  8. Oct 1, 2020 at 6:08 PM
    #218
    glowblue

    glowblue From time to time

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  9. Oct 1, 2020 at 9:13 PM
    #219
    Tundrafan23

    Tundrafan23 New Member

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  10. Oct 2, 2020 at 12:58 AM
    #220
    Zero One Actual

    Zero One Actual Member among Members

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    I’m just here for nine pages that prove nothing has actually happened in nine pages.
     
  11. Oct 2, 2020 at 2:42 AM
    #221
    AzureNightmare

    AzureNightmare Geek in a Tundra

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    But you're on page 8. :confused:
     
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  12. Oct 2, 2020 at 4:19 AM
    #222
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    :rofl:
     
  13. Oct 2, 2020 at 4:39 AM
    #223
    glowblue

    glowblue From time to time

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  14. Oct 2, 2020 at 5:44 AM
    #224
    Kung

    Kung Not so FNG

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    Nope, it's page 9, you must be wrong, fake news. Also,

    [​IMG]
     
  15. Oct 2, 2020 at 6:25 AM
    #225
    Zero One Actual

    Zero One Actual Member among Members

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    You have all fallen for the tactic. We are that much closer to nine pages now. Muhahaha.
     
  16. Oct 2, 2020 at 6:30 AM
    #226
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    Oh the trickery ! :1up:
     
  17. Oct 2, 2020 at 7:39 AM
    #227
    pickupjason

    pickupjason New Member

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    Anyone could advise what does the higher-than-normal number on copper mean?
     
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  18. Oct 2, 2020 at 8:36 AM
    #228
    Fearthisbeard

    Fearthisbeard New Member

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    I think someone mentioned in this thread to expect to see a higher number on the copper for the first drain, not sure why that is though.
     
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  19. Oct 2, 2020 at 8:39 AM
    #229
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    Copper usually comes from the new cooler and will diminish over time.

    I have to look, was the sample pre or post cooler install?
     
  20. Oct 2, 2020 at 9:05 AM
    #230
    Cpl_Punishment

    Cpl_Punishment Mother-Loving Member

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    Thought this sample was pre-cooler so the copper must be coming from something else in the system.
     
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  21. Oct 2, 2020 at 9:41 AM
    #231
    Bakershack

    Bakershack Critical of Noncritical Thinkers

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    Sample was pre-cooler install.
     
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  22. Oct 2, 2020 at 10:20 AM
    #232
    Txexplorer23

    Txexplorer23 New Member

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    What’s the factory puc heat exchanger made out of?
     
  23. Oct 2, 2020 at 10:29 AM
    #233
    Cpl_Punishment

    Cpl_Punishment Mother-Loving Member

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    I don't have a clue but I hope someone else knows.
     
  24. Oct 2, 2020 at 12:09 PM
    #234
    GravityGear

    GravityGear Parking Lot Prerunner

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    OP, now, do the same mileage and conditions and send in another sample. That will truly give you an idea of the effectiveness of the cooler. I have a feeling it will be marginal at best.
     
  25. Oct 3, 2020 at 5:01 AM
    #235
    PWMDMD

    PWMDMD New Member

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    In general, the elemental analysis tells you little about the fluid and more about the condition of engine/transmission. When you see sightly elevated wear metals, especially during the first drain interval, it means NOTHING. These are wear-in metals. If coppper was 500ppm...ok there's a problem but 82 vs 68 is not really significant.

    The properties section tells you about the condition of the fluid and by all properties measured it was doing fine.

    The towing history of this transmission greatly exceeds what many will do with their Tundra and apparently the transmission and fluid are doing fine. Could it be the Toyota engineers are not incompetent, they really did look at this issue before making changes to the cooler and we all suck at armchair engineering and product development?
     
  26. Oct 3, 2020 at 5:34 AM
    #236
    Dragracer_Art

    Dragracer_Art Well armed member

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    So how does that analysis factor in the seals, O-rings, solenoids, wiring, clutch material, adhesive, thermal expansion/contraction, etc... ???

    These are all long term potential heat related issues that will likely skate right through the warranty period fine... but still have a very high probability of causing problems in the future.

    This is a perfect example of the saying: "Ignorance is bliss". (not directed at you)
    Most people will sell or trade before its an issue and will never know or care.

    Anyone that has spent any amount of time inside a transmission (me) knows that the aux cooler is a massive benefit and running a trans at 250+ degrees is insane.
     
    Last edited: Oct 3, 2020
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  27. Oct 3, 2020 at 6:21 AM
    #237
    PWMDMD

    PWMDMD New Member

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    We can guess all we want about the long-term consequences but the fact is none of us has access to any of the data they gathered during testing. What little data we do now have suggests heavy toeing is not having a detrimental effect on the transmission or the transmission fluid. Mike Swears has responded that they feel the temps seen during testing were fine - believe him or don't believe him - add a cooler or don't add a cooler based on how you use your truck - that's up to you - my only point is based on what little evidence we have available to us it seems like this is not a problem for most owners. The responses to this have ranged from failure is eminent for the majority of owners to nothing to worry about. Based on what we know as of right now I think most owners have nothing to worry about if you do light to moderate toeing occasionally.

    If I toed 5000+ pounds routinely, I might consider adding a cooler. Since I don't toe and my truck is a daily driver, I'm not worried. We are into 2021 models and there have to be a significant number of 2019s with decent mileage - I'm unaware of a significant number of failures.

    I'm just trying to add some perspective to the idea that everyone should run out and add a cooler immediately. While I do think it makes sense for some, each of us is going to have to evaluate how we use our truck and make a decision.
     
    Last edited: Oct 3, 2020
  28. Oct 3, 2020 at 6:56 AM
    #238
    betotundra

    betotundra Toyota for Life

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    I would venture saying this IF the analysis was made at Toyota's sugested service mileage in the ownner's manual, which I read is at:
    • Replace transmission oil every 60,000 miles if towing, 90,000 miles if not (Don't quote me on this one though, I'm not sure).
    Meanwhile, because this results are on a 18K miles fluid, definitive conclusions are still up in the air, at least to me.
     
  29. Oct 3, 2020 at 7:04 AM
    #239
    betotundra

    betotundra Toyota for Life

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    I agree with all you said, but also believe that it's too soon to see 19s failures.
    Also, as far as I know the daily driver use you give to your Tundra doesn't excempt her of ATF heating issues if a lot of stop and go traffic is involved, though they wouldn't be as prominent as in a towing rig. I might be wrong too. Cheers.
     
    Last edited: Oct 3, 2020
  30. Oct 3, 2020 at 7:08 AM
    #240
    hagrid

    hagrid Ich habe sie gespritzt

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    Good Lord, I hope not. Need to save money for fuel.
    I googled "toeing" and all I got was a bunch of foot pr0n.
     
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