近期全国多地持续高温暴晒，路面温度居高不下。不少车主只留意胎压过高、车内暴晒、空调制冷差等问题，却忽略了一项极易引发重大故障的行车隐患：发动机水管相当于车辆的 “降温血管”，一旦老化爆裂，轻则半路抛锚，重则发动机报废。今天就来聊聊这个多数车主忽视、却暗藏风险的 “定时炸弹”。

   Recently, persistent heat waves have swept across many parts of the country, with road surface temperatures remaining extremely high. Many car owners pay attention to issues such as high tire pressure, excessive heat inside the cabin, or poor air-conditioning performance, but overlook a critical risk that can easily lead to major vehicle failure: the engine coolant hose acts like the vehicle's "cooling blood vessels." Once it becomes aged and bursts, the consequences can range from being stranded on the roadside to severe engine damage—or even a completely ruined engine.Today, let's talk about this often-overlooked "time bomb" that hides a serious risk for many drivers.

小小水管大有作用

   车辆发动机工作时，内部燃油燃烧、机械运转会产生极高温度，高强度行驶、高温暴晒环境下温度会持续飙升。如果热量无法及时散出，发动机会瞬间过热报废。水管串联整套冷却系统，循环输送冷却液，将发动机缸体、缸盖的高温冷却液输送到水箱散热，再把降温后的冷却液回流至发动机内部，不断带走多余的热量，让发动机始终维持在安全工作温度。

   When a vehicle's engine is running, fuel combustion and moving mechanical components generate extremely high temperatures. During heavy driving or under scorching summer conditions, engine temperatures can climb even higher. If this heat cannot be dissipated in time, the engine can quickly overheat, resulting in catastrophic damage.

   The engine coolant hose is a vital part of the entire cooling system. It continuously circulates coolant, carrying the hot coolant away from the engine block and cylinder head to the radiator, where the heat is released. The cooled coolant is then returned to the engine, removing excess heat and keeping the engine operating within a safe temperature range.

一旦水管爆裂会带来哪些影响?

水管自查检测指南

肉眼直观检查

   打开发动机舱，重点检查上下两根主冷却水管及各分支细水管，着重查看管路弯折处、接头卡扣位置，有无渗水、发白水渍、管壁开裂、局部鼓胀等问题。

   Open the engine bay and inspect the upper and lower main cooling hoses and all branch pipes. Focus on bends and clamp joints for signs of seepage, white water stains, cracks or bulges on the hose surface.

手感检测

   用手轻捏水管管壁，感受橡胶软硬；同时检查水管两端固定卡扣，确认无松动、位移、锈蚀脱落。如果水管发硬、开裂、卡扣损坏，需及时检修更换。

   Gently squeeze the hoses tocheck the rubber firmness. Alsoinspect the retaining clips atboth ends of the hoses toensure they are not loose,displaced, rusted or broken. Ifthe hoses are stiff, cracked, orthe clips are damaged, timelyrepair or replacement isrequired.

冷却液状态

   观察副水壶液位，液面需保持在 MIN（最低）与 MAX（最高）刻度之间；若冷却液频繁亏损，说明管路存在渗漏，同时留意冷却液有无浑浊、变质、杂质堆积。

   Check the coolant expansion tank. The fluid level must sit between the MIN and MAX lines. Regular coolant loss points to a leak. Also check if the coolant is murky, degraded or full of sediment.

如果发现以上问题

请及时更换耐博德水管.

If any of the above issues are found,

replace the NIBD cooling hoses in a timely manner