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Transmission oil mixing with coolant?

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Hello all,
I have a 2006 Acura TL 3.2 automatic with just over 100,000 miles on it. Car is very well taken care of and I’ve never had a major issue until just now.
I lost my forward gear in a Pieology parking lot for about 15 seconds. Then the car was able to roll forward and I was able to driving home. On the drive home I lost first gear three or four times at stop lights for about 10 to 15 seconds and then with higher revs (2.5 to 3k) the car would start moving and everything was fine. (weird coincidence was that every time I lost my forward gear the external temperature display would go out a read “- - -“ rather than the external ambient air temperature)
Upon getting at home I found “chocolate milk” in the radiator overflow as well as in the radiator and in the transmission.
There was no white smoke ever so I don’t think it was a head gasket failure.
There was no engine overheating or even getting past the halfway mark on the gauge
After doing some research I figured that it was a failed radiator and the trans cooler was a part of the radiator (like in other Acuras) and an internal wall failed allowing the fluids to mix. The problem is that after I pulled my radiator out of my car I realize that there is no transmission cooler in my radiator. There is nowhere for the lines to connect at all.


What else is weird is that when I checked the transmission dipstick the fluid was a good 3 or 4 inches higher on the dipstick then the “hot” reading. I drained my transmission I pulled out about 6 quarts of brown milky fluid. Yes, 6 quarts!
That’s crazy because to refill it after an oil change is only 3 quarts.

Anybody have any idea what’s going on?

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