Posted on 10/31/2025
As the first frost approaches in Colorado, it's easy to focus on your heater or windshield wipers and forget about the cooling system. But your radiator, hoses, and coolant are just as important during winter as they are in summer. In fact, a neglected cooling system is one of the most common reasons cars break down in cold weather. Getting your system ready before the temperature drops can help you avoid engine trouble, unexpected leaks, or overheating, even in freezing conditions. Check the Coolant Mixture Before the Cold Hits Coolant, also called antifreeze, keeps your engine from freezing in the winter and overheating in the summer. The standard 50/50 mixture of antifreeze and water is ideal for most climates, but the ratio needs to be correct to offer full protection during a Colorado cold snap. Too much water in the system, and it might freeze inside your radiator or engine block. Too much antifreeze, and it may not flow properly. You can test your coolant ... read more