Will Car Glass Crack When Pouring Cold Water on It in Summer?
2 Answers
Pouring cold water on car glass in summer will not cause it to crack. All car glass is tempered glass, with an impact resistance 3-5 times that of ordinary glass and a bending strength also 3-5 times that of ordinary glass. Car glass maintenance tips: Regularly inspect the wipers, use dedicated or appropriate wiper blades, and replace them in time to prevent scratching the windshield. Always keep the windshield clean. If there are debris, try not to use the wipers to remove them; instead, use a towel or other tools to carefully remove them. Use automotive-specific glass cleaner to maintain clear visibility while increasing lubrication and reducing wear on the windshield. Characteristics of car glass: Automotive safety glass is one of the passive safety features of a car. Car glass must provide good visibility, sufficient strength, and protection for passengers in case of accidents. Common types of car glass include tempered glass, partially tempered glass, and laminated glass.
I used to feel the car glass was scorching hot after driving in summer, so I poured cold water to cool it down, only to hear a crack and see a split in the windshield—it broke my heart! The glass was already expanded from the heat, and the sudden contraction from cold water made it cool unevenly, causing different pressures inside and outside. No wonder it cracked. Later, a mechanic told me to park in the shade or use a car cover to avoid direct sunlight. If I need to cool it down, don’t rush with cold water—wait for the car to cool a bit or use lukewarm water gently for safety. This lesson stuck with me, and every summer I remind my friends to be careful. Otherwise, replacing a new windshield could cost thousands—totally not worth it!
