It could be low on water and stuff, fill it.
radiator fans running to cool engine...
Check to coolant level in the coolant recovery tank and radiator when engine is cold
A hole in the radiator would do that, or a damaged radiator cap. It could be a cracked engine block that is allowing cylinder pressure into the cooling system, pressurizing the water until it breaks through a weak spot in the radiator.
It can. You should leave the engine running while you add water to the radiator. If you add water with the engine turned off, but while the engine is overheated, you might damage the engine or the radiator.
In radiator or through coolant recovery tank
There is coolant in the engine block when the engine is not running. The engine block, heater, hoses and radiator remain full when engine is not running.
You most likely have a blown headgasket.
Consider replacing your radiator cap . .
When the engine is cold you can add to either the radiator or the coolant recovery bottle.
Engine running hot.
Normal causes are low coolant and an inoperative radiator fan.Normal causes are low coolant and an inoperative radiator fan.
The engine coolant fan can keep running after the engine is turned off in any car because the temperature gauge is in the radiator. As long as the radiator is still hot, the fan will keep running until the temperature gauge says it has cooled enough.