Anyone have something similar happen? I can't find anywhere except this area covered in the fluid. I had cardboard under it and it's dark and black on my hand. Seems like oil to me.
I'm thinking trans fluid.....coming from above though.....your photo just shows where it is ending up. Pay particular attention to the trans cooler lines at the tube to hose connection.
There is a transmission cooler built into the radiator side tank.
There are two lines, aluminum at the trans and radiator connections, with rubber hoses connecting each end of the aluminum tubes for vibration control.
It is not uncommon to find leakage at the hose/tube coupling as the hoses age and harden.
Usually can be seen from under the hood, drivers side, straight down from the battery and almost touching the front crossmember.