That hose is the drain hose for the air conditioner evaporator. If it is leaking coolant, there's a good chance that your heater core is leaking, as it is in the same 'box' that the air conditioner evaporator is in. You'll need to replace the heater core.
my heat core is good but it the valve witch one of the lines runs to . i cant get it off
I was just telling michael kent, I have the same problem. he asked if anyone smelled coolant smell in the car. I don't think you would smell it in there when its leaking that much caue its all pouring out the bottom. I think especially when you have refilled your radiator so much it might smell cause you are just putting pure water in, and there is no odor to that y'know. thanks for all your help, Think I'm going to replace that on my 93 cavalier. thanks God bless-Paul Chavez
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