A well-maintained cooling system is crucial for the Jeep Patriot engine to operate efficiently and prevent overheating. The engine cooling system includes components like the radiator, water pump, and coolant hoses, which work together to keep the engine temperature stable. Over time, coolant loses effectiveness and can even become corrosive, so it’s essential to flush and replace it periodically. Checking the radiator and coolant hoses for any cracks or leaks is also important, as these can lead to coolant loss and cause the engine to overheat.