The Chevrolet Corvette C8, also known as the eighth generation of the Corvette sports car, features a cooling system that includes a coolant tank. The coolant tank is a reservoir that holds coolant, also known as antifreeze, which is used to regulate the engine's temperature and prevent it from overheating.... The Chevrolet Corvette C8, also known as the eighth generation of the Corvette sports car, features a cooling system that includes a coolant tank. The coolant tank is a reservoir that holds coolant, also known as antifreeze, which is used to regulate the engine's temperature and prevent it from overheating....