Usually, you'll get antifreeze on your passenger floor, steam out the defrost and / or have a very noticeable sweet coolant smell in the car. The heat won't work well and the car will overheat.
the heater core, heater core hoses or heater control valve is leaking
If it is leaking inside the car, the heater core has failed.If it is leaking inside the car, the heater core has failed.
roof or heater core leaking roof or heater core leaking
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
Leaking heater core.Leaking heater core.
The heater core is leaking. Replacing the heater core is your best bet.
The only fix for a leaking heater core is to replace it.
its leaking under the car around where the dash is
No, a clogged heater core will not make it overheat. A leaking heater core will.
Your heater core is leaking, Need to REPLACE HEATER CORE.
the only other way is that it is cloged
The only fix for a leaking heater core is to replace it.