out of the over flow
Probably a blown head gasket. Get a technician to look at it. If it is, it will be a major ordeal.
It depends on if you see the antifreeze leaking or it is just disappearing. If it is just disappearing then a bad head gasket or cracked head may be the problem. The smoking could actually be vaporized antifreeze. If that is the case don't run it until you can get it fixed.
You have a leaking heater core. You might smell antifreeze if you turn on the defroster.
It is not normal for antifreeze to be leaking out of a car. Period. At all, no matter what car or where it's leaking from. Try buying a new cap. If that doesn't help, call a mechanic.
The headgasket has failed.
If it is leaking inside the car, the heater core has failed.If it is leaking inside the car, the heater core has failed.
antifreeze smell inside car means that there is antifreeze leak somewhere. first check for wet spots under car when parked after running.if anti freeze is leaking from engine it will pool on the ground next check to see if heater core is leaking. that is usually the problem. if heater core is leaking, replace it
It's the only green fluid in a car.
Head gasket could be bad
freeze plug has blown out or leaking
Probably a blown head gasket. If the car has an (engine) oil cooler it might be a leak there too.