What are signs of a bad radiator?

Warning lights and temperature indicator · 5.It was close to a gas station, so I stopped and checked the radiator and realized that there was NO coolant in either the radiator or the tank. I bought 4 liters and filled the tank, the pipe and then the radiator, consuming between 2 and 3 liters.

What are signs of a bad radiator?

Warning lights and temperature indicator · 5.It was close to a gas station, so I stopped and checked the radiator and realized that there was NO coolant in either the radiator or the tank. I bought 4 liters and filled the tank, the pipe and then the radiator, consuming between 2 and 3 liters.