Engine/Transmission (1994 - 1998) what is needed to keep a transmission cool

[Swineheart]

I have a new DTT transmission in my truck and I want to make it last. I am going to put twin turbos on and I understand the heat exchanger needs to move for clearance. I am wondering is it even needed or will it run to hot?

 

[robbiesworld]

On my 4'th transmission I bypassed all the stock cooler lines and the heat exchange. I ran hydraulic hose straight from the transmission to this nice big cooler and I have not had a cooling problem.



In my opinion you can NOT clean all the contaminates out of all the lines, cooler and heat exchange, not to mention they all leak after a while.



I have been very happy with this setup



I had to cut my bumper bracket a little to make the cooler fit. I used a piece of scrap aluminum I had laying around and a few of the brackets that came with the cooler and the stock cooler mounting points



Here is a link to the cooler

Tru-Cool MAX transmission cooler *No external cold weather thermal bypass: transmissioncoolers. us



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[BDaugherty]

Keeping a transmission cool depends on a lot of factors. Install a good gauge and go from there. You may not have the need for additional cooling. However, if you do a lot of hauling in conditions where the torque converter cannot lock, you may need more cooling.

The factory setup works pretty well and I personally wouldn't do anyting more than to make sure it's spotlessly clean and in good working order. A gauge is a must. Run it like it is. If it doesn't stay cool, let out of the throttle and let it cool down. THEN spend more $$ on better cooling.

The factory oil to water cooler really helps the trans warm up during cold weather. A larger capacity pan will help maintain steady temps during momentary high stall conditions.

 

[PRohr]

I am getting my trans rebuilt as I type this and I am putting in new lines as well and was wondering about the heat exchanger. I have heard people say it's required and that it's not... . How much and how often do you tow? Where is your temp prob located? I don't tow very often and the 100* days here in Ohio are few but I don't want to damage anything on those few days that I do tow. I could put one like you have in the front and another one under the truck with a fan and thermostat... .

 

[Swineheart]

I tow a lot of different trailers and the heaviest is 14000lbs. I called DTT and they said its a good idea to keep using it because it gets rid of a lot of heat. I have a transmission temp of 160 at the back side of the transmission pan,but this is ALASKA.