Tag: Can you run straight water in your radiator

Can you run straight water in your radiator?
Automotive, General

Can you run straight water in your radiator?

Water is corrosive. You will shorten your engine's life if you don't add antifreeze. Antifreeze, on top of everything else it does, also acts as a rust inhibitor. Yes, you can run straight water, but your coolant boiling point will be lower AND you'll corrode the inside of your engine and destroy your water pump. Keeping this in consideration, can you put water in the radiator? Although water can be added to the radiator for this purpose, it's preferable to add a mixture of coolant and water because plain water can boil before the proper coolant will boil, causing your engine to overheat [source: pontiac]. A car radiator cannot work if there isn't enough coolant inside the system. Can you use tap water in your radiator? No, you should use distilled water or better yet, de-ionized wat...