Posted on 8/29/2025
An overheating engine can be one of the most stressful problems to face while driving. You see the temperature gauge rising or steam billowing from under the hood, and your first question is, “How serious is this?” One common fix that shops recommend is a coolant flush. But can a coolant flush really solve an overheating problem, or is it just one piece of the puzzle? Let’s look at what a coolant flush does, how it helps, and when it’s the right fix for an overheating engine. Understanding How Engine Cooling Works Your vehicle’s cooling system is designed to regulate engine temperature, keeping it within a safe operating range. It circulates coolant (a mix of antifreeze and water) through the engine, where it absorbs heat, and then through the radiator, where that heat is released into the air. This process relies on multiple parts working together—hoses, a water pump, a thermostat, a radiator, and the coolant itself. When any of ... read more