Well my air conditioner wasn't cooling anymore so i checked my antifreeze thingy and there was none in there so i put some in and i kept pouring and pouring. I finally stopped and i start hearing all this shit come out the front left corner of my car. Right below where i am putting it in. I am guessing the plastic case has a crack or hole in it cause it ALL leaked out. How much do one of these things cost and can i put it in myself? or do i need to goto a repair shop?