Do Supplemental Transmission Coolers Go Before or After Factory Coolers
Question:
I have a 2012 Honda Odyssey and have have read conflicting reports of how to hook up the transmission cooler. Ive read so many ways to do it, im now confused : I live in WI, with cold winters. Honda OEM says to go from AT to cooler to radiator back to AT. Everywhere else seems to say AT to radiator to Cooler back to AT. I am not going to use the Honda OEM cooler because its tiny and expensive, but was looking at derale for price and cooling capacity. If I go that route, is it better to put the cooler right after the AT and before the radiator? The theory being it will keep it from overcooling in our cold winters. Or do I look for some sort of temperature bypass and put the cooler on before it goes back to the transmission? and if so, which do you recommend?
asked by: Eric
Helpful Expert Reply:
The most efficient way to use a supplemental transmission cooler is to go from the transmission to the factory cooler, from there go to the supplemental cooler, and then finally back to the transmission.
Factory coolers are usually connected to the radiator which means they actually will try to keep the transmission fluid about the same temperature as the radiator fluid. So because of that it would be a waste to install a transmission cooler before the factory cooler since the fluid would get warmed back up as it ran through the factory cooler.
What you will have to do on very cold morning is just let you vehicle idle a little bit longer after you install the transmission cooler. You should be doing this already though so it really wouldn't make that big of a difference.
I attached a help article on transmission coolers for you to check out as well.
Product Page this Question was Asked From
Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class III - Efficient
- Transmission Coolers
- Plate-Fin Cooler
- Mid-Size Truck
- SUV
- Van
- Standard Mount
- 11W x 8-3/4T x 7/8D Inch
- With 11/32 Inch Hose Barb Inlets
- Derale
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