Originally posted by Bob Blaylock:
That's definitely not it. No tranny fluid, or anything oily in the coolant. As an experiment, I separately mixed a small amount of coolant with a larger amount of tranny fluid (more normal-looking tranny fluid from a bottle of unknown vintage that I found in my trunk), and what I got did not look anything at all like what was in my transmission.



I bet you didn't heat it, put it under pressure and run it through a hydraulic pump though.

That definitely sounds like the raditor cooler leak. Since the radiator is under more pressure than the transmission (cooler line is not high pressure), it would not be unusual to have coolant in the oil, but no oil in the coolant. In additiojn, some leaks are like that. Even blown head gakets will sometimes be unusual and have oil or coolant in one area but not the other. It would pay to have the radiator tested (IMO).

My name is Richard. I was a Contouraholic. NOW: '02 Mazda B3000 Dual Sport, Black BEFORE: '99 Contour SE Sport Duratec ATX Spruce Green PIAA 510's, Foglight MOD, K&N Drop-in