Which is better for a new car's radiator: adding water or coolant?
2 Answers
It is better to add coolant to the car's radiator. Coolant is suitable for all seasons, of high quality, and ensures reliable performance. If you need to add coolant to the car's radiator, follow these steps: 1. Turn the pressure cap counterclockwise until you hear a hissing sound, then wait for the sound to stop before opening it. 2. Add an appropriate amount of coolant to the coolant expansion tank, ensuring the level is between the MAX and MIN marks. 3. With the coolant expansion tank cap open, start the engine. 4. After starting the engine, the coolant level in the tank will gradually decrease; add more coolant until the level reaches between the MAX and MIN marks on the expansion tank. 5. Reinstall the cap, ensuring the pressure cap is hand-tightened and fully seated.
I've been driving for almost twenty years, often on long trips, and I'm always worried about radiator problems. It's absolutely not okay to add pure water to a new car because water can freeze in winter, cracking the radiator, and it can boil in summer, causing overheating. Antifreeze is specially designed to withstand sub-zero temperatures, raise the boiling point, and protect metal parts from rusting. I've personally seen a friend's radiator rust and fail from using water, costing a fortune in repairs. I recommend always using antifreeze in a new car—it contains rust inhibitors and anti-foaming agents that extend engine life. Don't skimp on this small expense; just mix a reputable brand of antifreeze with 50% distilled water. Preventing major repairs is where the real savings lie. Regularly check the fluid level to ensure the cooling system runs efficiently.
