Mechanic installing a car radiator in the engine bay during vehicle maintenance.

What is the function of a car radiator?

Keeping your car’s engine cool is essential for performance and longevity. Explore the best ways to improve your car's cooling system, from upgrading the radiator and coolant maintenance to improving airflow and replacing key components.
A Mechanic wearing red gloves is pouring bright green engine coolant into a car radiator under the bonnet to keep the cooling system at a safe operating temperature.

How hot should a car radiator get?

Keeping your car’s engine cool is essential for performance and longevity. Explore the best ways to improve your car's cooling system, from upgrading the radiator and coolant maintenance to improving airflow and replacing key components.
Close-up of green coolant leaking from under a car radiator, showing signs of a leaking radiator and cooling system damage.

Can you drive a car with a broken radiator?

Keeping your car’s engine cool is essential for performance and longevity. Explore the best ways to improve your car's cooling system, from upgrading the radiator and coolant maintenance to improving airflow and replacing key components.