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Transmission issue today

Discussion in '3rd Gen Tundras (2014+)' started by 15Yota, Jul 10, 2019.

  1. Jul 10, 2019 at 7:07 PM
    #1
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    So on the way back from 4wheelparts today we were pulling into the neighborhood and I felt my trans buck downshifting, so I pulled off into the neighborhood pool area and turned around to get back on the road. I did and it shifted fine going into all gears except overdrive, it bucked slightly but not violent. So I immediately pulled in the driveway and drained the fluid, it was a light gray color but I wouldn’t say it smelled burnt. It still has that nasty fluid smell. 4 qts came out then 3.25, then just under 3. So I’m 3 drain/refills in and it’s still not red, it’s lightening up though. Before the last drain I added 4 and drove it around the neighborhood and it’s still shifting fine but I didn’t have my wallet so I couldn’t leave the neighborhood. I have 1 more gallon to fill/drain if it’s not red should I take it to the dealer and have them flush it?

    Keep in mind my trans temp light has never come on. It’s so just freaking hot and humid down here and I’m very easy on my transmission, I never rev over 2.5k rpms during acceleration.
     
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  2. Jul 10, 2019 at 7:14 PM
    #2
    Jrharvey02

    Jrharvey02 Meh.

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    It takes a shit ton of fluid, since when you’re draining, you’re also draining some new stuff too, it takes a lot of fluid and a lot of time doing it that way, maybe somebody will chime in with a quicker way...good luck

    I learned this after having to replace my power steering pump at 10000 ft. and had no choice but to refill with generic non mopar (jeep) power steering fluid. Got back to town, 5 weeks later and at least 7 qts, turkey basting every ounce I could, when I could, hardly made a dent, it sucked.
     
  3. Jul 10, 2019 at 7:19 PM
    #3
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Thanks for the quick reply. That’s my thinking too, I know the whole system takes just under 12 qts, but I’m surprised I’m not seeing more red. I know I need gears blah blah blah, I’m trying as hard as I can lol. Nobody in my town will touch my truck cause it’s so damn big, I can’t bitch about it cause that doesn’t solve anything, however down here in Louisiana I have shops bending over backwards to help me. Problem is I’m having to drive back and forth for my daughter and tend to things back in MS. I’m stretched too thin.
     
  4. Jul 10, 2019 at 7:20 PM
    #4
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    Light gray?!!!!:eek2:

    I wouldn't drive it until a full service is done. Those 40's take the toll on the drivetrain...so I've heard. :anonymous:
     
  5. Jul 10, 2019 at 7:21 PM
    #5
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Yeah I’m not going far, my only intention for driving it around the neighborhood is to heat up the fluid faster.
     
  6. Jul 10, 2019 at 7:22 PM
    #6
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    While I’m thinking about it, I called Toyota today and the parts guy said our trans filter isn’t serviceable, he said it’s metal and just needs to be cleaned during a service. Do you all concur?

    Also my mileage is 52,900
     
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  7. Jul 10, 2019 at 7:28 PM
    #7
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    I changed mine out. The filter separates the impurities from the fluid like any filter.

    Then again, my toyota dealership told me I never have to change the WS transmission fluid....best stuff in the world. :rolleyes:

    Funny how my Lexus dealership said the exact opposite, which I agree with.

    Then again, I also do a drain and fill every year with an external filter swap. Best 50.00 I ever spend.
     
  8. Jul 10, 2019 at 7:34 PM
    #8
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Ok, I may swap mine out too, I’ll have the pan off anyway. I ordered the B&M deep pan today so I need to get the fluid draining red before I can install it.

    Never have to change WS fluid my ass! Take a quart of my fluid to them and see what they say. Good ol’ Mississippi fluid right here lol
     
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  9. Jul 10, 2019 at 7:43 PM
    #9
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    I would enjoy seeing a photo of your transmission fluid in a clear water bottle...
     
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  10. Jul 10, 2019 at 7:44 PM
    #10
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Standby...
     
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  11. Jul 10, 2019 at 7:44 PM
    #11
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    I would also drop the pan, check the magnet for metal shavings along with the filter. If you have metal shavings, start saving for a transmission.
     
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  12. Jul 10, 2019 at 7:45 PM
    #12
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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  13. Jul 10, 2019 at 7:46 PM
    #13
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Note taken. As of now I don’t see any.
     
  14. Jul 10, 2019 at 7:50 PM
    #14
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    Thinking maybe suspended metal dust? I've heard of black fluid, but never gray.
     
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  15. Jul 10, 2019 at 7:50 PM
    #15
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    So that's not as bad as I thought. You may have saved a few grand by jumping right on it.

    Hell, my Jeep AW4 transmission had water inside the case and torque convertor and I still use it 4 years later. LOL!!!!
     
  16. Jul 10, 2019 at 7:53 PM
    #16
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    It is hard to see from the top, a side view would be better...with more fluid.
     
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  17. Jul 10, 2019 at 7:53 PM
    #17
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    I think so too, I pay attention to my vehicles, I know I’m neglecting it by not regearing right away but my driving style and habits reflect that. As hot as it is down here and pushing big tires I still don’t see this being avoidable even with gears. Transmissions get hot, more so with our modifications. From now on you bet your ass I’m doing periodic drains.
     
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  18. Jul 10, 2019 at 7:53 PM
    #18
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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  19. Jul 10, 2019 at 7:54 PM
    #19
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    I’ll have to get one later. I’m already cleaned up.
     
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  20. Jul 10, 2019 at 7:54 PM
    #20
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    It definitely wasn’t black.
     
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  21. Jul 10, 2019 at 7:57 PM
    #21
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    Another thing you can do is pin your thermostat open on the transmission to have the fluid going to your cooler 24/7. I can't remember what temp the thermostat starts opening, but I was shocked at how high it was. 225* is a number sticking in my head. Not having a tundra, I'm losing some tech.

    @landphil should know.
     
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  22. Jul 10, 2019 at 7:58 PM
    #22
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    This is the best I can do

    image.jpg
    image.jpg
     
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  23. Jul 10, 2019 at 7:59 PM
    #23
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    I was reading on that the other day, that will be something I need to do.
     
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  24. Jul 10, 2019 at 8:34 PM
    #24
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    Hot transmissions are not happy ones.

    Now obviously, if the temps warrant pulling the pin for the winter, please do it. Cold transmissions are not happy either. My truck will not shift out of 2nd if I don’t warm it up a bit. On the highway, under very cold weather, if I choose not to run the radiator cover, the truck will downshift into 5th and then 4th until temps come up.

    When towing, if my temps ever got over 208*, my ass would be pulling over and high idling the truck until temps came down. I have never seen over 186*F...and I was getting after it with 14k behind me off-road at low speeds.

    Here are some Vail Pass tow videos if you have some time to waste and rock out. I think if I remember the trans temp was around 158*F towing the camper.

    Up



    Down

     
  25. Jul 10, 2019 at 8:41 PM
    #25
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    You’re right about that, heat is the number 1 killer of automatics. I’m gonna do the clip mod when I’m satisfied with the fluid, I’m confident all of this new fluid, pan, and bypass will definitely help maybe eliminate the heat.

    I’m watching your videos now.
     
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  26. Jul 10, 2019 at 8:46 PM
    #26
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    We have the same taste in music it seems like. Lol. You’ve been a big help I appreciate it. I’m going to keep at it tomorrow until I see red.
     
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  27. Jul 10, 2019 at 8:47 PM
    #27
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    Anytime man. That’s what the site is all about.
     
  28. Jul 10, 2019 at 8:49 PM
    #28
    15Yota

    15Yota [OP] That’s a HUGE B....!!

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    Yes sir. BTW, I hope I didn’t come across as an ass this morning, I really didn’t know. If you come across a link for the bypass let me know, I’ve been looking for it.
     
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  29. Jul 10, 2019 at 8:51 PM
    #29
    BTBAKER

    BTBAKER ..........

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    Is it possible it’s a software issue?
     
  30. Jul 10, 2019 at 8:55 PM
    #30
    ColoradoTJ

    ColoradoTJ jberry813fanclub.com Staff Member

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    Oh no, you were just fine.

    I'll find it. The member did a kick ass write up on it.
     
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