Why is there oil in my cooling system? on 2002 Kia Sportage

The heads have been change, theres no water on any of the dip sticks.

Asked by for the 2002 Kia Sportage
1 answer 1 comment
DI D THEY PRESSURE TEST YOUR HEADS FOR CRACKS?
I don't know, will ask the mechanic. Someone just told me about the oil cooler,
and Thank you for reply.