Quote:
Originally Posted by RichardM98
Well this is a little embarrassing. Last time I did this it was several years ago so I redid the test. It is the Mobil 1 which gives the red color not the ATF. Sorry for the confusion. Still a good way to check if a leak is oil or ATF.
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That yellowed brown is the exact color of oil I have floating in the coolant tank. I cannot sense a smell of it as it has no smell when on the paper towel and the tank smells like regular antifreeze.
so Im still on the fence of installing just a new radiator or install a new radiator and a dedicated atf cooler too. I am ordering a new nissens item now, but its literally quite amazing that I have atf in the coolant but not the other way round. I also cannot seem to find many w210 cases of failed atf cooler in the radiator, nearly all cases of such failure are in the W211.