轿车水温100度正常吗

轿车水温100度正常吗
2025-04-08 05:19:04
推荐回答(1个)
回答1:

轿车水温100度不正常。

1、正常情况是:先确认冷却液补液罐内液面高度是否合适;再起动引擎观察水温表,水温逐渐上升。 手握水箱上水管,感觉逐渐升温;手握下水管,温度几乎不变。

当水温达到80℃时,下水管开始逐渐升温,直至与上水管温度相同,手握有烫手的感觉。引擎继续运转,水温95℃左右时冷风扇开始运转,水温略有下降,约1分钟左右停转。如此反复,此系正常。

2、引擎升温后,冷却扇也运转,但可能水温高于95℃时下水管温度比上水管温度略低。原因:节温器开度不够,冷却液循环流量减小,从发动机内流进冷却水箱的水量减少造成发动机的热量未及时传递出来,从而使发动机内的冷却液温度升高,解决方案:更换节温器。

3、水温表攀升至95℃,上下水管同温且很烫手。原因有三种可能:冷却扇或电路损坏、水箱上的热敏开关损坏、保险损坏,保险损坏的同时多伴随或隐藏着电路或风扇的早期故障。解决方案:更换冷却扇;更换热敏开关;更换保险并检查电路。

扩展资料:

判断冷却系统故障的方法:

1、检查电子扇或机械风扇

(1)车身线束与电子扇对接的接插件是否松动;

(2)保险盒的与电子扇相关的保险丝、继电器是否松动损坏;

(3)电子扇的电机、风叶是否损坏;

(4)如果电子扇带有白叶窗,检查其是否能正常开启;

(5)风扇皮带松脱或断裂、风扇离合器工作不良;

2、检查水箱、冷凝器芯体

(1)芯体表面的空气侧是否因异物太多发生堵塞现象,影响散热效率;

(2)芯体的散热带是否倒伏太多,影响进气量;

(3)检查芯体是否有漏水现象,造成冷却液不足;

参考资料来源:百度百科 -汽车开锅

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