Posted On: 06/11/2025. The Importance of Flushing Your Coolant Every 30,000 MilesIntroductionYour car’s cooling system plays a critical role in maintaining engine temperature and preventing overheating. Regular coolant flushes help remove old fluid, debris, and contaminants that can compromise engine efficiency. Automotive experts recommend a coolant flush every 30,000 miles to ensure peak performance and longevity.Wh...