I have a 2012 Jk 18k miles and noticed a small puddle of transmission oil under it the other day. I am not mechanical smart at all so i Took it straight to dealer who found that the transmission lines going to the radiator had rubbed each other and created a leak. Tech said he has seen several like this and that it could start a fire. They ordered new lines 3 days out now. Tech said he would reinstall with more space between them and add foam around the pipes. Just wanted everyone to be aware and check for rubbing on theirs. It is located on driver side between wheel and radiator. Should be two stainless lines.