Cooling System Flush

Posted On: 06/11/2025

The Importance of Flushing Your Coolant Every 30,000 Miles

Introduction

Your 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.

What Is Engine Coolant?

Coolant (antifreeze) is a fluid that regulates engine temperature by absorbing and dissipating heat. Over time, coolant deteriorates, leading to corrosion buildup and reduced cooling efficiency.

Chemical Composition

Coolant is typically made of ethylene glycol or propylene glycol, combined with water and corrosion inhibitors to prevent scale formation inside the radiator.

Why Coolant Flushes Are Necessary

Without regular coolant maintenance, vehicles may experience:

  • Overheating: Deposits restrict coolant flow, causing temperature spikes.
  • Corrosion: Metal components degrade, leading to leaks or system failure.
  • Water Pump Damage: Contaminated coolant accelerates wear on seals and moving parts.

Industry-Recommended Maintenance Intervals

Most vehicle manufacturers and automotive associations, including the Automotive Maintenance & Repair Association (AMRA), recommend coolant flushes at 30,000-mile intervals or approximately every 2–3 years, depending on driving conditions.

Benefits of Routine Coolant Flushes

Research-backed benefits of regular coolant flushes include:
Prevention of engine overheating
Improved fuel efficiency
Reduced risk of costly repairs
Extended lifespan of cooling components

Conclusion: Stay Ahead of Cooling System Failure

Neglecting coolant maintenance increases repair costs and risks engine failure. Prioritizing a coolant flush every 30,000 miles helps maintain your car’s performance, efficiency, and longevity.

Spencer Auto Repair uses only high-quality BG Fluids. To learn more about BG Cooling System Service visit: Cooling System – BG Products, Inc.

🔧 Book a coolant flush today at Spencer Auto Repair!