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Transmission coolers

Discussion in 'Technical Chat' started by gearcruncher, Dec 30, 2017.

  1. Jan 28, 2019 at 7:46 PM
    #81
    Shortman5

    Shortman5 Well-Known Member

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    What do you recommend doing if the trans cooler is overcooling? I was thinking of cutting out a plate of whatever laying around and fastening it onto the front of the cooler so cold air won’t constantly be running over it. That would be the easiest fix.

    It’s been running too low for probably too long. The hottest it gets is probably 155.

    Using Tru-cool 4454 mounted in grille.
    A340E

    Using ODB2 to measure temps.
     
    Last edited: Jan 28, 2019
    tacocart762 likes this.
  2. Mar 8, 2019 at 7:37 PM
    #82
    fivefoot

    fivefoot Scarlett, Scarlett Tacoma is the name!

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    This is the cooler I’ve installed on my 2012 OR. Tru-Cool 4489. I’ve bypassed the radiator cooler too, just run this cooler alone for the transmission.

    14A3E2F9-011E-4388-81FF-513F2B04CA20.jpg
     
    TOMB likes this.
  3. Mar 11, 2019 at 3:13 PM
    #83
    bigbear1612

    bigbear1612 Well-Known Member

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    Ride Rite airbags with onboard compressor, Trail Ridge towing mirrors, 28,000 gwv external transmission cooler, Roll n Lock bed cover.
    Can anyone tell me if I install a second cooler inline with the OEM one will it void the warranty?
     
  4. Mar 11, 2019 at 5:52 PM
    #84
    Markc1024

    Markc1024 Well-Known Member

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    Shouldn't, unless you create a leak that leads to failure. However, much would depend upon the dealer you took the problem to.
     
  5. Mar 11, 2019 at 7:16 PM
    #85
    bigbear1612

    bigbear1612 Well-Known Member

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    Thanks for the info!
     
  6. May 10, 2019 at 10:13 PM
    #86
    Nateclimb

    Nateclimb Well-Known Member

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    Thanks for all the great info! Where do you recommend mounting the cooler if you see both warm and cold. Living in utah summer can max out around 105 but I do some ice climbing in Bozeman and have seen temps in the -20's. I go to Bozeman maybe 4 times in the winter, I'm thinking if I mount it infront I will just deal with some bad mileage while it heats up, thoughts?
     
  7. May 11, 2019 at 1:44 AM
    #87
    gearcruncher

    gearcruncher [OP] Well-Known Member

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    Great white North 51.0333° N, 93.8333° W
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    TRD Sport Rally -5 speed automatic Limited ,Factory heated leather seats ,chrome package,Super white with front windows tinted to 35 % Dick Cepek DC-2 wheels Summer tires - Good year silent armor P265/65R17 Winter tires - Good year P265/65R17 Ultra Ice studded Illuminated 4x4 switch TRD 3rd brake light cover ($20) TRD seat belt shoulder protectors (5). ($50) TRD ...B pillar emblems ($20) TRD rear slider sticker with devil horns ( $6) TRD summer floor matts ($60) TRD steering wheel emblem ($20) TRD floor pedals .($95) TRD shorty antenna ($14) TRD front Windshield emblems ($17) TRD head pillows .($60) TRD head rest protectors TRD door scuff protection $20 TRD floor matt emblems ($40) TRD tow plug emblem . ($40) TRD cigarette lighter with LED.($35) TRD tissue dispenser ($12) TRD front bezel emblems ($9) TRD door emblems ($6) TRD lanyards($9) TRD lisence plates with TRD bolts($50) TRD fender emblems TRD center caps Part Number:PT904-35070-CC ($80) TRD cd

    Are you watching your transmission temps with a scan guage or Ultra guage ?
    Mounting up front is the best location .
     
    Kolunatic likes this.
  8. May 11, 2019 at 7:12 AM
    #88
    Nateclimb

    Nateclimb Well-Known Member

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    I don't have any way to watch temps yet, just got the truck. Just trying to do research on all the things I need to up grade on my new to me '15, it is supercharged if that makes a difference. I will pull a medium size (3700 pounds) trailer 3-5 times a year.
     
  9. May 11, 2019 at 6:01 PM
    #89
    gearcruncher

    gearcruncher [OP] Well-Known Member

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    Great white North 51.0333° N, 93.8333° W
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    TRD Sport Rally -5 speed automatic Limited ,Factory heated leather seats ,chrome package,Super white with front windows tinted to 35 % Dick Cepek DC-2 wheels Summer tires - Good year silent armor P265/65R17 Winter tires - Good year P265/65R17 Ultra Ice studded Illuminated 4x4 switch TRD 3rd brake light cover ($20) TRD seat belt shoulder protectors (5). ($50) TRD ...B pillar emblems ($20) TRD rear slider sticker with devil horns ( $6) TRD summer floor matts ($60) TRD steering wheel emblem ($20) TRD floor pedals .($95) TRD shorty antenna ($14) TRD front Windshield emblems ($17) TRD head pillows .($60) TRD head rest protectors TRD door scuff protection $20 TRD floor matt emblems ($40) TRD tow plug emblem . ($40) TRD cigarette lighter with LED.($35) TRD tissue dispenser ($12) TRD front bezel emblems ($9) TRD door emblems ($6) TRD lanyards($9) TRD lisence plates with TRD bolts($50) TRD fender emblems TRD center caps Part Number:PT904-35070-CC ($80) TRD cd
    Supercharged ?
    Is this a factory tuned supercharger ?
    There are modifications to the transmission that should be performed to handle the extra power .
    Most members look at cleaning up the shift points for their transmission modifications
    You can read about it here
    https://www.tacomaworld.com/threads...th-pics-for-second-gen-4-liter-trucks.289913/
     
    rickyg2008 likes this.
  10. May 11, 2019 at 6:18 PM
    #90
    Nateclimb

    Nateclimb Well-Known Member

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    Yes, mine is the trd S/C. I will check out the link about shifts.
     
  11. Jun 27, 2019 at 2:59 PM
    #91
    fatfurious2

    fatfurious2 EAF YO

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  12. Jun 28, 2019 at 3:24 PM
    #92
    SonnyBones

    SonnyBones I VOID WARRANTIES

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    Very well done sir! Have you seen improvements in cooling?
     
  13. Jun 28, 2019 at 7:03 PM
    #93
    Markc1024

    Markc1024 Well-Known Member

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    Temps don't seem to exceed 200 so far, but it would be lot better if the thermostat opened at a much lower temp - say 175 vs 190+.
     
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  14. Jul 16, 2019 at 6:36 PM
    #94
    Effenglide

    Effenglide Well-Known Member

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    Here we go again!
    I mounted mine exactly like yours. Thanks for the photos!
     
    Markc1024 likes this.
  15. Jul 5, 2020 at 11:37 AM
    #95
    tacocart762

    tacocart762 Well-Known Member

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    Have you ever noticed the temps being too low with this cooler? I do go up to the mountains and snow throughout the winter. I am thinking of pulling the tiny cooler the tow package provides and putting a 4454 in its place.
     
  16. Jul 5, 2020 at 3:06 PM
    #96
    Markc1024

    Markc1024 Well-Known Member

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    They won't be too low as the thermostat ensures temps get up to at least 190 before it opens and utilizes the cooler.
     
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  17. Jul 6, 2020 at 12:36 PM
    #97
    tacocart762

    tacocart762 Well-Known Member

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  18. Jul 6, 2020 at 1:53 PM
    #98
    Markc1024

    Markc1024 Well-Known Member

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    You won't be able to reuse the hoses, but the kit comes with hose.
     
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  19. Jul 6, 2020 at 1:53 PM
    #99
    pmstoy10

    pmstoy10 Well-Known Member

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    IIRC they are the same. I got some new lines because I run them in sequence.

    Screenshot_20200706-165221.jpg
     
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  20. Jul 6, 2020 at 2:04 PM
    #100
    Effenglide

    Effenglide Well-Known Member

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    Here we go again!
    Wish I would have thought of this before I removed the factory cooler. I could could put it back on and do what you did. Nice clean install.
     
    pmstoy10 likes this.

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