Transmission cooler options
Hi all, this is a good forum been following it for years as anonymous. This is a lil long, but hopefully yall dont mind. Anyway, looking for some thoughts from other RV'ers. I have a 2011 Denali Yuko...
Forum Discussion
Sorry my sig is only in one of my posts. It's a 12 Dodge diesel. Mine had the optional Max Tow which is a liquid/liquid or coolant/trans fluid xchanger plus a thermostatic fluid bypass block in the trans lines and it also has an air cooler up front. Your liq/liq xchanger is in your radiator. Mine was on the engine side. That system was more of a trans heater than anything.
I deleted the stat block and replaced the xchanger with a BIG Derale fan/cooler, under the truck, and the fluid lastly goes thru the front air cooler. All the xchanger did was to make sure the engine and trans heated each other! Separating them and using the fan/cooler, instead, made the engine and trans, both, run much cooler... especially the trans.
The Derale cooler has a stat on the fan. Going down the hiway, even towing my 15K 5er in the summer, the trans stays in the low 150s and the Derale fan doesn't need to come on. On mtn. passes or slower traffic the fan cycles on and keeps trans temp below ~160. Even in summer city traffic when the tq. convertor is unlocked, I've only seen a high of 181.
My 68rfe needs at least 110* for it to shift properly so I'm in good shape.
Now, when I'm screaming up mtn. passes, if the engine gets to 218, the electronic engine fan cranks up and it will actually bring the temp back down... it wouldn't do that before! Craig
I deleted the stat block and replaced the xchanger with a BIG Derale fan/cooler, under the truck, and the fluid lastly goes thru the front air cooler. All the xchanger did was to make sure the engine and trans heated each other! Separating them and using the fan/cooler, instead, made the engine and trans, both, run much cooler... especially the trans.
The Derale cooler has a stat on the fan. Going down the hiway, even towing my 15K 5er in the summer, the trans stays in the low 150s and the Derale fan doesn't need to come on. On mtn. passes or slower traffic the fan cycles on and keeps trans temp below ~160. Even in summer city traffic when the tq. convertor is unlocked, I've only seen a high of 181.
My 68rfe needs at least 110* for it to shift properly so I'm in good shape.
Now, when I'm screaming up mtn. passes, if the engine gets to 218, the electronic engine fan cranks up and it will actually bring the temp back down... it wouldn't do that before! Craig
