潍柴发动机潍柴发动机就是在爬坡的时或是重车时的水温特别高不知是何原因?

2024-10-27 18:01:28
推荐回答(5个)
回答1:

载货重或者爬坡发动机发热量大,水温就会高,潍柴原车节温器的打开温度〔86度〕,这就是说水温到86度的时候节温器才能够完全打开,冷却水才开始大循环。

汽车上坡时发动机输出动力大,致使发动机热效率高,所以水温也高,属于正常;如水温维持在六十度左右属于水温低的现象,说明发动机冷却系散热效果太好,可以使用百叶窗,类似硬塑料的东西稍微挡一挡水箱,由于冬天天气较冷,冬天容易此种故障。

扩展资料:

气缸盖安装在气缸体的上面,从上部密封气缸并构成燃烧室。它经常与高温高压燃气相接触,因此承受很大的热负荷和机械负荷。水冷发动机的气缸盖内部制有冷却水套,缸盖下端面的冷却水孔与缸体的冷却水孔相通。利用循环水来冷却燃烧室等高温部分。

缸盖上还装有进、排气门座,气门导管孔,用于安装进、排气门,还有进气通道和排气通道等。汽油机的气缸盖上加工有安装火花塞的孔,而柴油机的气缸盖上加工有安装喷油器的孔。顶置凸轮轴式发动机的气缸盖上还加工有凸轮轴轴承孔,用以安装凸轮轴。

参考资料来源:百度百科-发动机

回答2:

1、冷却液不足

冷却液泄露或者冷却液缺少都会导致发动机水温升高,这时我们应该检查冷却液情况,如果不足首先添加到合适位置,然后过几天来检查液位是否严重下降,如果有,那么我们要找到泄露位置。

2、散热风扇故障

散热风扇故障的话,车辆高转速运行时,产生热量不能及时传递到防冻液而影响散热,而后导致防冻液温度升高,导致开锅等问题。

3、循环水泵故障

水泵故障有轴承抱死和叶轮损坏几种情况,轴承抱死的情况比较少见,叶轮损坏常见有叶轮开裂或叶轮从泵轴上松脱后,导致冷却液循环速度变慢,容易引起发动机温度过高的故障。

发动机水温过高处理方法:

1、停车后必须放置三角警示牌,若遇上车辆半路“开锅”,我们在路边停车后,一定要记得在车后50—100米处放置三角警示牌,提醒后方来车注意避让。若是在高速公路上,我们则要将警示牌的放置距离增加到至少150米。

2、水温高时应避免立即熄火,车辆出现水温过高时,车主千万不要贸然立即熄火。对于大多数车型来说,冷却系统的水泵都是由发动机驱动的。熄火之后,水泵也会同时停转,冷却液便不能继续循环,而此时发动机各部件都维持着高温状态,若得不到有效冷却,有可能会损坏发动机。

3、检查副水箱冷却液液面是否过低,停好车后,接下来就要检查是什么原因导致水温过高。首先先检查副水箱冷却液是否过低,打开发动机盖,看看副水箱冷却液面是否正常,如果冷却液液面低于“min”线,则说明冷却液已经过少。

回答3:

水温高到什么程度呢?潍柴原车节温器的打开温度确实有点高〔86度〕,这就是说水温到86度的时候节温器才能够完全打开,冷却水才开始大循环。
还有检查下水箱排管,是不是有堵的地方
建议再检查下增压器,增压压力不够也会出现高温

回答4:

载货重或者爬坡发动机发热量大,当然水温高,不知道你说的这个是否开锅。

回答5:

发动机老了吧,还有就是爬坡的时候换低档,

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