A poorly functioning coolant system can greatly damage the engine of your car. Before long, you will have a gaping hole in your pocket because you’re burnt through all your savings to repair the engine components. Therefore, you cannot disregard the importance of a running and appropriate cooling system to keep an engine operating optimally. But, how to tell if air in cooling system is messed up? A cooling system serves many important purposes. For starters, it disperses excessive heat buildup in the engine to prevent overheating. Secondly, the engine’s operating temperature is maintained by this system. One of the common issues with a coolant system, however, is the occasional accumulation of air inside it. As a result, the engine malfunctions badly. How to tell if air in cooling system? The signs are pretty glaring, yet some owners struggle to identify them. 0