2311 Central Ave, Dubuque, IA 52001
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How Often Should I Put Antifreeze In My Car? It varies with vehicles and the type of coolant used. The manufacturer’s recommendation is greatly different from car to car. Some recommend every 30,000 miles while others may be 120,000 miles. Coolant deteriorates over time and can be tested to see if it is still good. When coolant ages it becomes acidic and no longer prevents rust buildup. This may lead to corrosion that can damage the radiator, Water Pump, thermostat, radiator cap, hoses and other parts of the cooling system and heater system. And that can cause Car Engine Overheating. Click to Schedule your appointment with an Auto Repair Near Me who help determine if your vehicle needs a Coolant Flush.