You can but it's more likely to bung up the radiator or heater matrix, follow the instructions on the container it comes in.
Actually , the heater core doesn't have a drain
the heater core has got a hole in it or your top has a hole init. If the water is green it is your heater core. if not it is your top.
yep
generally if anti freeze is leaking into car this indicates that the heater core is worn out and has a hole you need to replace heater core ,or lift the hood and disconect the heater hoses join the hoses together with small pipe and 2 hose clamps and the leak will stop But the heater will not work
Blown Heater Core - The heater fan blows past the heater core and if it has a hole in it your antifreeze ios being blown onto your windshield.
if antifreez is blowing into cab, u need to replace the heater core the core has a hole in it. thses are not repairable and they are cheap to buy
Thermostat stuck open or heater core clogged. Bad radiator cap or small hole in cooling system.
heater core may be leaking or hole in floor
i believe the heater core is leaking, a small pin hole leak can generate a lot of smell.
The coolant sounds like it is leaking from the drain hole for the heater core. The drain is usually along the firewall and keeps the coolant from entering the vehicle should the heater core develop a leak.
High pressure coolant is blowing out through a small hole in your heater core, it will need to be repaired or replaced. If it is warm out it might be AC refrigerant leaking.
Could be that your heater core is leaking May also have a plugged evaporator hole.