You may smell coolant when the ac is running but a leak in the heater core won't cause the ac not to work.
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
the heater core, heater core hoses or heater control valve is leaking
the heater core is leaking
Your heater core is leaking you probably also noticed the heater may not be working as well.
windshield leaking heater core or heater core hoses.
No. You have either a leaking heater core, or a leak at the windshield.
If it is leaking inside the car, the heater core has failed.If it is leaking inside the car, the heater core has failed.
Only if the coolant is leaking from the heater core, but you will see this.
roof or heater core leaking roof or heater core leaking
Leaking heater core.Leaking heater core.
The heater core is leaking. Replacing the heater core is your best bet.
A leaking heater core. oil is leaking on the engine and is burning and beining drawn in by the vent or the blower motor is going out Are you sure it's smoke or is it steam? If your windows are steaming up and it smells like maple syrup , your heater core is probably leaking.