I should maybe mention, the reason I am considering replacing the Trans. Cooler is because I have a newly rebuilt Transmission, a few months ago, I was pulling a larger Tent Trailer and managed to over heat the Trans., or so it seems. I looked out my side mirror and noticed smoke coming from, what looked like the Trailer, first thought it might be an axle bearing on the Trailer.
I never made it to the Trailer, when I noticed the smoke was actually coming from the Explorer, looked under and noticed the fluid leaking on the exhaust, it seems that it was coming out of the overflow, so my Trans. Guy claims. Apparently, Ford came up with the idea, so I've been told, that the A/C unit assists in the cooling of the Trans, if the Trans, starts to indicate overheating and you are to receive a warning, in the dash, of this overheating, I never noticed the overheating signal.