I believe I have a leaking trans cooler line at my front driver side. It's leaking pretty bad oil and my trans temp sensor on the upper left hand corner of my dash came on. I put more trans fluid in to get me home and it works/shifts fine now. I'm not going to drive it until I fully investigate. The underside is covered in oil and my driver side tire has some oil on it. I'm going to be replacing these lines, any advice on repairing these lines and repairing anything else while I'm repairing these?