What's wrong with my car on 2003 Cadillac DeVille DTS

I have a 2003 Cadillac dts an d ithink transmissio n fluid is mixing with my antifreeze what could be wrong

by in Potwin, KS on May 09, 2013
1 answer
ANSWER by , May 09, 2013
Defective trans. cooler inside rad. Replace radiator.