45X61X9.5是什么车的汽车更换半轴油封视频

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新款宝马740发动机烧机油通过免开缸更换气门油封彻底解决问题
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来自: 上海市|上海市
新款宝马740发动机烧机油通过免开缸更换气门油封彻底解决问题
& & 烧机油,口口相传,家喻户晓,人人皆知! 只要搭载N系列发动机无论是1系,3系,5系,7系,X系,Z系都或多或少存在烧机油问题,3系保有量最大,所以发病率最高,论坛关于3系烧机油维修的帖子也最多。看看我们换下来的气门油封就知道了。
& & 今天我们分享的是一辆行驶了20万公里的10款F02-烧机油维修的成功案例。同样用免开缸换气门油封的方法得到了根治,而且效果非常理想。
& &2010款,F02底盘,搭载N54B30直列六缸缸内直喷双涡轮增压发动机,峰值扭矩达到275KW。
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截止维修时行驶20万公里,机油消耗量1000公里1L。
& &车主已经无法接受,必须找汽车医生进行解决!到4S店检查为气门室垫漏油,花了1万5更换了气门室盖总成以后,烧机油问题毫无改善 。然后4S店就说需要拆解发动机进行维修,维修费用高的离谱客户无法接受。
& &辗转找到我们
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onmousewheel="return imgzoom(this);" alt="" />手术成功以后,车主非常满意,用低廉的价格解决了“高难”的故障。
& & 为此,本人想通过论坛发个帖子把这个好消息分享给大家,希望能够帮助到有同样需求的车友们。
& & 同时在做免开缸维修宝马发动机烧机油的过程中积累了一些经验和大家交流一下:宝马从搭载N系列发动机以后,烧机油问题变得非常突出,包括N42和N46四缸发动机;N52铝镁发动机,N54和N55六缸发动机;N62八缸发动机,N73十二缸发动机,以上各款型号发动机除了N52铝镁发动机以为,其他型号发动机烧机油免开缸换气门油封取得了非常理想的效果,达到新车出厂水平(气缸套和活塞有拉缸或异常磨损排除在外,比如V12-N73发动机拉缸现象比较多见)。
&&在此特别提醒宝马E90-325和E60-523车主,这款N52B25铝镁发动机烧机油通过免开缸换气门油封得到解决的可能性非常渺茫,这款铝镁发动机设计存在缺陷(宝马不会承认)。但是事实已经证明,当初轰轰烈烈的铝镁合金发动机目前已经退出市场了!
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& &从照片可以清晰看到,缸体内外是两种不同金属材料,可能就是所谓的铝和镁吧!经过长期激烈行驶以后,热胀冷缩,之间已经产生一条缝隙,足有一毫米多,从而发动机容易出现缸桶磨损和失圆。
N52铝镁发动机以失败而告终!
N52铝镁发动机烧机油的维修方案供童鞋们参考
镗缸镶套篇:
N52大修篇:
730大修篇:
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[ 本帖最后由 chen86cc 于
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财产: 7127 爱卡币
来自: 上海市|上海市
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我尽自己能力多在论坛发一些技术帖,希望车友们会喜欢阅读,能从中了解和掌握一些关于汽车维修基本的知识;也希望国内各地修理师傅能够多来论坛逛逛,多来发布技术帖,大家互相学习,积极交流,共同进步,大家一起行动起来,做个称职的有医德的有医术的汽车医生,把车辆维修成本尽可能降低,更优质的为车友服务。
& &下面将这次宝马维修作业时拍的一些相片上传,供大家欣赏,多认识一些配件也好哇 不会被蒙
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onmousewheel="return imgzoom(this);" alt="" />
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onmousewheel="return imgzoom(this);" alt="" />
发动机保养的不错
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onmousewheel="return imgzoom(this);" alt="" />
车主去4S换的这个黑色的气门室盖总成,花了1万5!坑爹啊!
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排气门侧温度很高,气门油封颜色已经明显发黑
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onmousewheel="return imgzoom(this);" alt="" />
用刷子清洁附属在气门导管上的积碳不可忽略
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修理师傅们,如果看过我发布的N46免开缸教程
那再来搞定N54也不会有问题了吧!
[ 本帖最后由 chen86cc 于
17:20 编辑 ]
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xuser7699532
财产: 2 爱卡币
来自: 广东|广州
楼主,你的Q Q是多少,我也是做维修行业,想和你交流交流
[每日热点]:
财产: 1683 爱卡币
来自: 广东省|佛山市
宝马烧机油,口口相传,家喻户晓,人人皆知! 只要搭载N系列发动机无论是1系,3系,5系,7系,X系,Z系都或多或少存在烧机油问题,3系保有量最大,所以发病率最高,论坛关于3系烧机油维修的帖子也最多。今天我们分享的是一辆行驶了20万公里的10款F02-740LI烧机油维修的成功案例。同样用免开缸换气门油封的方法得到了根治,而且效果非常理想。
& &2010款宝马740LI,F02底盘,搭载...760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('.cn/attachments/a/day_c149bcc5eIOwMZdtsTFxg.jpg');}" onmousewheel="return imgzoom(this);" alt="" /> 陈工,今天车很震,脚和方向盘都可感觉到震动,但不是怠速抖动那种。2003手动POLO1.4,BCC发动机。
胎压正常。5053读不到故障码。
[每日热点]:
财产: 1683 爱卡币
来自: 广东省|佛山市
我尽自己能力多在论坛发一些技术帖,希望车友们会喜欢阅读,能从中了解和掌握一些关于汽车维修基本的知识;也希望国内各地修理师傅能够多来论坛逛逛,多来发布技术帖,大家互相学习,积极交流,共同进步,大家一起行动起来,做个称职的有医德的有医术的汽车医生,把车辆维修成本尽可能降低,更优质的为车友服务。
& &下面将这次宝马维修作业时拍的一些相片上传,供大家欣赏,多认识一些配件也好哇:love...760) {this.resized= this.width=760; this.alt='Click here to open new window';}" onmouseover="if(this.width>760) {this.resized= this.width=760; this.style.cursor='hand'; this.alt='Click here to open new window';}" onclick="if(!this.resized) {} else {window.open('.cn/attachments/a/day_4070216_cb845c22922d14afcdc0lOOhsjJU0kEe.jpg');}" onmousewheel="return imgzoom(this);" alt="" /> 1万5的气门室盖,是塑料的?还是金属的?
[每日热点]:
财产: 13337 爱卡币
来自: 北京市|北京市
这种帖子不顶不行啊!!!!
[每日热点]:
财产: 1040 爱卡币
来自: 江苏省|徐州市
N52镁铝发动机会发生电化学腐蚀现象,楼主图片上那条缝就是电化学腐蚀的产物。说实话,宝马搞镁铝发动机、用镁包铝,已经不能用奇技淫巧多此一举来形容了,简直是愚蠢的无以复加,电化学腐蚀用简单的衬垫隔开就能解决吗?
[每日热点]:
财产: 1400 爱卡币
来自: 江苏省|苏州市
楼主,咨询下,老款宝马750,n62 4.8排量的v8发动机!开了16万公里,在十四万公里多的时候突然保养后开9000km少机油,然后去保养,后来开7000km的时候少机油,最近保养后开了3000km就提示要加一升机油!是否需要维修,还是等到1000km就要加一升机油时候维修?目前热车后尾气暂时没啥味道,也没蓝烟
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财产: 364 爱卡币
来自: 浙江省|杭州市
同问 ,12w公里的750,8w公里开始烧机油,目前 1000KM消耗1L,加速有蓝烟,驻车味道很重。
请问换气门油封的价格以及修理时长,请pm谢谢。
[每日热点]:
财产: 13125 爱卡币
来自: 江苏省|无锡市
楼主,咨询下,老款宝马750,n62 4.8排量的v8发动机!开了16万公里,在十四万公里多的时候突然保养后开9000km少机油,然后去保养,后来开7000km的时候少机油,最近保养后开了3000km就提示要加一升机油!是否需要维修,还是等到1000km就要加一升机油时候维修?目前热车后尾气暂时没啥味道,也没蓝烟 感觉跟我的烧机油之路很类似啊
我六万之前一滴都不烧,经常跟人吹牛逼自己人品好
后来就每保养一次,加机油里程少1kkm
3K还没必要修,等到1K一烧吧
修的时候顺便洗洗三元
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