Does Coolant Reservoir Fluid Get Into the Radiator?

Does Coolant Reservoir Fluid Get Into the Radiator?

Yes, coolant from the reservoir does flow into the radiator, but only under specific conditions. The coolant reservoir (also called the overflow tank or expansion tank) is connected to the radiator and helps regulate the coolant level as the engine heats up and cools down. How Coolant Moves Between the Reservoir and Radiator ✅ This…