Coolant leaking from AC drain and on the carpet shorts Heating Core Leak
Leaking Heater Core In A Car: Key Symptoms And Solutions Explained To do any real patch on it. You have to pull it out and drain. Then you can repair it. At this point putting a new one in is faster and it's A leak anywhere in the cooling system is no bueno—you'll lose your coolant. And if your heater core has gone bad inside your ...