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Can I drive if the car's radiator is out of water and smoking after adding water?

2 Answers

ElianaRose

07/28/25 11:13pm

As long as the car can still start without smoking and run, it should be fine. Here are the relevant details: 1. Precautions: In a cold state, if the radiator is out of water, the car can generally drive for about 1-3 kilometers. However, if it's in a hot state, continuing to drive will damage the engine. If you encounter a situation where the radiator is short of water while driving, do not use tap water as a substitute. Tap water contains minerals that can form scale in the radiator pipes when heated. Severe scale can clog the engine's cooling system. 2. Car radiator water shortage warning: If the car's radiator is out of water, the dashboard will display a water shortage indicator. The indicator looks like a thermometer and is relatively easy to identify. It is not recommended to continue driving after the car radiator water shortage warning light comes on. If the radiator is short of water, the heat generated during the engine's operation cannot be released, and the engine's performance, durability, and exhaust emissions will not meet the requirements.

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LaRobert

08/12/25 3:36am

I'm totally qualified to speak on this! Last summer during a long-distance drive, I encountered this exact situation - white smoke suddenly billowing from the hood scared me into pulling over immediately. Never pour cold water directly, folks! Hot metal components meeting sudden cooling can crack like glass cups filled with boiling water. I've personally witnessed someone doing this, resulting in immediate cylinder head gasket failure with repair costs equivalent to half an engine. The correct approach is waiting for complete engine cooling - at least two hours minimum. Adding distilled water or coolant is merely emergency measure, while constantly monitoring the temperature gauge and crawling to the nearest repair shop at minimum speed. Honestly, the moment you see smoke, just call the tow truck - saving a few hundred bucks on towing might cost you tens of thousands in major repairs.

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