RepairPal's independent, master mechanics track down the best of the best in auto repair. Learn more »
Get the latest advice about your car
weither the car is on or off the coolant goes into the expansion tank and back out the a/c drain hose
If the coolant is coming out of the A/C evaporator drain you need to have the heater core replaced as it is leaking. In most cars the heater core and the evaporator share the same housing.
Q&A > Chevrolet > 1994 Chevrolet Corsica
Q&A > Chevrolet > 1995 Chevrolet Corsica