机油滤清器能用多久?
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咱们每次给车做保养,都要把车上一个像小罐头的铁罐罐拧下来、换掉,这个呢,就是咱们的机油滤清器了,它是随着咱们的机油一起换掉的。
那我们问题来了,这个机油滤清器,它一般多长少公里换一次?它的最长寿命是多长时间呢?我最长时间可以多久换一次?
弄明白这个问题之前,咱们先来了解一下这个机油滤清器。
咱们现在的机油滤清器基本都是这种旋装式机油滤清器,外面一个圆圆的铁皮盒子,里面包裹着折叠的滤纸,这个滤纸是咱们机滤的核心材料,现在的机滤滤纸是经过热固化处理的,所以它是有一定的硬度和强度的,它不像咱们普通的纸张,是可以经受得住油压,也不容易变形。
这个机油滤清器,就这样被拧在机油油路的中段,下面是油底壳,上面是发动机。它的主要作用是过滤机油中的杂质、污垢,为发动机提供清洁的润滑油,降低磨损,延长发动机寿命。
它是这样工作的,它有进油口和出油口,油底壳的机油从进油止回阀中流入机滤,流入的脏的机油是在机滤的边缘,滤纸的外侧,然后通过滤纸过滤,干净的机油从机滤中央流出,喷射到发动机各个部件上。
这是一个正常的工作流程,不过也会有一些特殊情况,比如说,咱们机滤用的时间长了,机滤的滤纸上杂质太多,堵住了滤纸孔,就会导致机油的流出的量变小,进入发动机的机油变少,那就会影响到发动机的润滑、运行,怎么办呢?
其实,这个在这个时候,为了保证流入发动机的机油量、保持油压,机油滤清器底部有一个弹簧阀门,叫做旁通阀,会自动打开,让没有被过滤的机油从这个底部的阀门流进去,与机滤中央的机油汇合,一同流入发动机中,但这时,混合后的机油却是带有杂质的机油。
好,那我们再返回去说,这个机滤到底能用多久?
其实,先咱们机滤的质量都不成问题,不会在短时间内因为油压和浸泡导致滤纸变形。
但是,机滤的使用寿命主要是根据它的过滤能力来判断的,而不是它本身的质量。咱们刚说到的,如果机油中杂质、油垢偏多的话,附着在滤纸上,堵住过滤孔,导致油压变低,就让有杂质的机油直接进入发动机,那这就相当于机油没被过滤,其实,这个时候已经是要换机滤的时候了。
所以,机滤的更换,取决于机油的清洁程度。咱们举个例子,比如我们新换的机油和滤芯,假如,我们跑了5000公里保养的时候没有更换机油,而是只换了机滤,但下次换新的机滤的时间是到不了5000公里的,可能2000公里、3000公里就要更换了,因为老的机油比新机油中有更多的杂质。
所以,一般大多数情况下,咱们的机油滤清器的使用寿命是5000公里,针对的都是新的机油。
不过,我们也有些朋友们,可能车开的比较少,半年也许就只开了3000公里,但是这个时候机油的有效期到了,该换机油了,一般我们也会连同机油滤清器一起换掉。
所以,咱们总结一下,我们多数情况下,机滤是5000公里一换,但是如果没有到5000公里,只要是换机油,一般也都把机滤一同换掉。一个机滤的价格也就十几块钱、二十几块钱,我们多换换也不心疼。
但是,对于我们一些加了长效机油的车子,比如8000公里、10000公里换一次机油的朋友们,也可以选一些比较长效的机滤,比如像博世、马勒、KN、曼牌、豹王等等,有些可以达到8000公里的寿命,但价格也会稍微贵一些。
汽车保养这件事,其实说难不难,说容易也不容易,但是如果太过于依赖4S店的话,维修师傅肯定会为我们推荐一系列的收费的保养用品,那稍不注意就会多花一些没必要的冤枉钱。
那我既不像在4S店多花冤枉钱做保养,找个路边维修店帮我做,又能不让车子脱保,以后车子再卖出去,还能有过完整的保养记录,卖个好价钱,我们应该怎么办呢?
三味还给你准备了一篇这样的文章,你可以回到咱们的微信公众号,底部有一个文字输入框,在其中输入“保养”两个字,那篇文章就在那等着你了。
记得每天来咱们的微信公众号“擎风车铺”,听三味讲一段三分钟的汽车知识小语音,这里可是最为你动擎的汽车新媒体哦,记得让你身边的朋友,也快快关注一下吧。
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原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/52382.html
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