维度女性网 > 汽车 > 用水冲洗发动机舱，有以下情况千万不能洗
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483089.jpg"></a> </p> <p>很多车主都想知道发动机舱能不能用水冲洗呢？答案是肯定的。发动机舱不仅可以用水冲洗还可以进行各种清洁工作，那么是不是就可以随意清洗呢？这个就要看情况而定了，有以下情况的时候千万不能直接用水冲洗发动机舱。</p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483090.jpg"></a> </p> <p><h3>热车状态时候</h3></p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483091.jpg"></a> </p> <p>汽车还在热车的时候千万不能用水直接冲洗，虽然现在的汽车发动机缸体都采用加压铸铁或者铝制造，不像普通铸铁那么容易开裂。但即使这样，也不要往高温的发动机舱冲水，以避免缩短其使用寿命。再者，在发动机舱高温时用水冲洗，会产生大量的水蒸气，这些水蒸气若渗透进电路和其他设备上，对车的伤害可大可小。</p> <div class="commodity_con_small2"><a href=http://www.vdolady.com/plus/tao_jump.php?itemid=44110674450>
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483094.jpg"></a> </p> <p><h3>电气接口有裸露</h3></p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483095.jpg"></a> </p> <p>虽然现在的汽车发动机线束接口大多都做了防水处理，但不一定所有防水处理都是严密的。在清洗发动机舱时，(尤其是老旧车型的车主)一定要看清楚，未做防水处理的线束接口绝对不能用水直接冲洗。若发动机舱内存在裸露的蓄电池接口和其他电气接口，水直接冲洗的话可能导致接口氧化生锈，最终会引起接触不良甚至短路。</p> <div class="commodity_con_small2"><a href=http://www.vdolady.com/plus/tao_jump.php?itemid=528829616620>
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483098.jpg"></a> </p> <p><h3>大灯总成改装后</h3></p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483099.jpg"></a> </p> <p>改装车头大灯，把原车大灯总成整个都撬开，然后改成各种高亮大灯。副厂大灯的密封性往往不及原厂大灯好，副厂大灯安装后出现雾气或进水的现象时有发生。因此，车主尽量不要用水清洗大灯总成位置，在洗发动机舱时也一定要留意不要把水溅到改装的大灯上，以免车灯进水变成“金鱼缸”。</p> <div class="commodity_con_small2"><a href=http://www.vdolady.com/plus/tao_jump.php?itemid=547827315795>
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483102.jpg"></a> </p> <p><h3>火花塞部位</h3></p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483103.jpg"></a> </p> <p>火花塞是绝对不能碰水的。虽然汽车火花塞是拧紧在发动机上，气密封比较好，但是千万不能用水直接冲洗其部位，防止积水渗透进去。若火花塞沾上水，车子就打不着火。如果车主为车辆更换了非原厂指定的火花塞，那么新火花塞周围可能会有一些细小的空隙，水或水汽很容易钻到火花塞。</p> <div class="commodity_con_small2"><a href=http://www.vdolady.com/plus/tao_jump.php?itemid=539644456967>
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483106.jpg"></a> </p> <p><h3>汽车保险丝盒</h3></p> <p align="center">
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![](http://i.vdolady.com/uploads/allimg/170920/201709201354483107.jpg"></a> </p> <p>在发动机舱内有一个塑料盒子，里面装着各种车上电子元件的保险总成，俗称保险盒。车内的保险丝千万不能沾水，如果直接用水冲洗，很容易造成短路，导致电路烧毁。在清洁发动机舱时，还是尽量避免用水直接冲洗保险丝盒。</p> <div class="commodity_con_small2"><a href=http://www.vdolady.com/plus/tao_jump.php?itemid=544541629010>
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