Stock AT Transmission Cooler Line Routing
 

Hey guys, got a question for you.

For the AT trans cooler on our cars, there’s 2 lines that come out of the trans for coolant and go into the AT cooler. Does it matter which lines go where or will it get cooled regardless? I just swapped in a new AT transmission and I forgot which lines were supposed to connect to which smaller nipple on the cooler. There’s 2 big and 2 small. My thought is it doesn’t matter since it will get cooled regardless? But I don’t know.


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