So after putting on my new radiator, I took my car for a test drive to see how it goes...after about 5 min. of driving, my tranny stays stuck on neutral, then couple of seconds later it goes back on drive. It did this continuously until I found somewhere to double park. I looked under the car and found out that one of the lines from the auto trans to the radiator was loose; transmission oil was leaking so that was the problem. I tightened the hose back up and refilled it until it reached the right level. So after starting it up again, the car would be able to shift gears for about a min. and then for some reason it stays stuck on "park." Whether you set it on "R, D, 2, L" or even neutral the car would not move. Did my transmission just f*cked up on me or do I need more fluid? Cuz I added more fluid right after I turned my car off and right now my car is stranded in some other neighborhood. THanks