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Transmission cooler install

Discussion in '3rd Gen. Tacomas (2016+)' started by ricTaco, Mar 28, 2019.

  1. Mar 28, 2019 at 11:19 PM
    #1
    ricTaco

    ricTaco [OP] Member

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  2. Mar 28, 2019 at 11:24 PM
    #2
    inwood customs

    inwood customs Roaming potato

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    I would say yes for two reasons....
    Ur gunna lose fluid in the process
    Ur adding more space for the fluid to flow thru, thus the level would register low right?
     
  3. Mar 28, 2019 at 11:31 PM
    #3
    Beerpayzdabillz

    Beerpayzdabillz Pastryatarian

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    subd for pics!
     
  4. Mar 29, 2019 at 12:45 AM
    #4
    OregontoBajaCA

    OregontoBajaCA Well-Known Member

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    Instead of a Hayden cooler, of which I’ve installed a few, I’d recommend purchasing a Tru-Cool stacked plate cooler manufactured by Long.

    Long also makes B&M coolers which are exactly the same as Tru-Cool, but the B&M coolers just cost more. They are the exact same product.

    The Tru-Cool stacked plate coolers may cost just a bit more, but they are perhaps somewhat more durable than the tube and fin or plate and fin style Hayden coolers, and there are no delicate fins to bend during installation and/or when cleaning off mud, dirt or insects.


    LPD4589 in the picture. An LPD4590 would also easily fit in the space if you want to go with the largest cooling capability.
    8A094207-6E34-4C5A-8286-7ABFA63E1465.jpg F89AB51F-B997-41A2-8B5C-44768DA6CAD5.jpg

    Adding fluid and measuring volume.

    E038D343-C6F9-45A4-BB2D-91ABF662F5E3.jpg299D0EB8-D461-472B-A703-214381BEE3B8.jpg
     
    Last edited: Mar 29, 2019
  5. Mar 29, 2019 at 1:04 AM
    #5
    airsavage

    airsavage Well-Known Member

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    I installed the 4590 on my truck last year. I wanted to know the actual amount of fluid it held so I called Long and asked them. The tech I talked to said it holds .84 quarts. So with the small amount of fluid loss when I took the factory cooler off and the .84 in the new cooler it took right at a quart to top it off.
     
  6. Apr 2, 2019 at 8:47 PM
    #6
    ricTaco

    ricTaco [OP] Member

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    If I installed an extra cooler in series with the small factory one, how much of the empty space on the left of the radiator could be covered by the second cooler without causing issues due to blocking cool airflow?
     
    2016Tacoman likes this.
  7. Apr 3, 2019 at 1:01 AM
    #7
    airsavage

    airsavage Well-Known Member

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    Several folks have done the type of installation you are talking about. I have not seen anyone writing in about blocked air flow thru the radiator or increased temps after the install. Maybe they could post and let you know.
     
  8. Apr 3, 2019 at 1:05 AM
    #8
    jeg0005

    jeg0005 Well-Known Member

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    Any idea if this will fit on a 1st gen?
     
  9. Apr 3, 2019 at 3:47 AM
    #9
    Rainoffire

    Rainoffire Well-Known Member

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    My truck did not come with the tow package, would it be possible to install a transmission cooler?
     
  10. Apr 3, 2019 at 6:47 AM
    #10
    CTF

    CTF Well-Known Member

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    I’ll go ahead and ask the dumb question. Why are you fellas doing this? :crapstorm:
     
    JCT86 likes this.
  11. Apr 3, 2019 at 7:07 AM
    #11
    HolyHandGrenade

    HolyHandGrenade NOOB

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    Sorry guys. Not sure how, but I just realized that I’ve wadered into the 3rd Gen section :anonymous:

    Disregard my previous posts. I guess they do not apply. (I deleted them to avoid confusion)
     
  12. Apr 3, 2019 at 7:36 AM
    #12
    4wdExplorer

    4wdExplorer Well-Known Member

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    Its not necessary. Just fill the cooler with transmission fluid before installing the lines. If you do you will notice VERY little transmission fluid actually goes inside the cooler. 1/8 of a quart or so. What I did was installed the cooler, took the top of one of the lines and filled the cooler. Again very little fluid went inside and I just connected all the lines and was good to go. Never checked the fluid afterwards because it was not necessary to do so.
     
    TacoManOne and utahskierdave like this.
  13. Apr 3, 2019 at 7:38 AM
    #13
    Black64

    Black64 Lowes/Home Depot Crawler

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    If I never tow, but haul heavy, should I do a cooler upgrade?
     
  14. Apr 3, 2019 at 7:58 AM
    #14
    4wdExplorer

    4wdExplorer Well-Known Member

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    Yes lots of people do not tow but are heavy. Example, front and rear bumpers, bigger tires, roof top tent, etc. With all this weight its a good idea to have an additional cooler.
     
  15. Apr 3, 2019 at 8:09 AM
    #15
    2016Tacoman

    2016Tacoman Well-Known Member

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    I've towed 5000 at 95 ambient temp steady 45mph and tranny temp was no change, normal. Factory cooler is good imo.
     
  16. Apr 3, 2019 at 9:06 AM
    #16
    ricTaco

    ricTaco [OP] Member

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    Post converter transmission fluid temp reported by the Torque app are exceeding 230F at 45mph up 6%+ grades when towing less than 4000lb including trailer and payload. I have the factory cooler that was included with the towing package.
     
  17. Apr 3, 2019 at 9:12 AM
    #17
    CTF

    CTF Well-Known Member

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    Would that be my TF2 reading on the Scanguage?
     
  18. Apr 3, 2019 at 9:42 AM
    #18
    ricTaco

    ricTaco [OP] Member

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    I'm not sure. I use Torque and a bluetooth OBD2 scanner.
     
  19. Apr 3, 2019 at 10:02 AM
    #19
    CTF

    CTF Well-Known Member

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    That’s cool. There’s a TF1 and a TF2. They are different. I just don’t know the difference. Thanks
     
  20. Apr 3, 2019 at 10:05 AM
    #20
    ricTaco

    ricTaco [OP] Member

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    Those are probably the pan temp and the post converter temp. In my case, the post converter temp is usually higher than the pan temp and much more variable.
     
    vicali likes this.

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