Im losing a lot of coolant, over a course of 3 days I go through a half gallon and I can't see where it is coming from. I did a quick check of the hoses for dampness and nothing. The only residue I see is on the Overflow bottle, I let it sit for 3 days and still leaked out a half gallon. Im wondering if anyone can help me out or have any ideas, I want to say it's a hole in my radiator since it leaks that much when it isn't running but the thing is I dont see anything on the ground or in the pan on the bottom of the car.