Subaru Legacy 2023 Cooling system Touring XT  The cooling system of the 2023 Subaru Legacy uses SUBARU SUPER COOLANT, which lasts for 11 years and 137,500 miles without needing to be changed, to efficiently regulate the engine’s temperature. A thermostatically regulated electric cooling fan is part of the system for best performance. Maintaining the coolant … Continue reading 2023 Subaru Legacy Cooling system Guidelines