宝马730Li减速时车身剧烈见动
车型:配置N52发动机。
行驶里程: 133136km。
故障现象:车辆在80km/h以 上减速时车身剧烈晃动。
故障诊断:此车为后部肇事，车辆行驶至80kmh以上的时候，减速时车身剧烈晃动。试车，发现车辆加速的时候切正常， 加速至80kmh时，松开加速踏板故障出现，车身剧烈晃动。根据经验，故障现象出现的时候，应该是传动系统导致的车身晃动。
连接GT1进行快速检测，DME、 EGS均无故障。
将车辆升起，拆下排气管、隔热板，检查传动轴、过桥轴承是否有损坏，-切正常。模拟故障现象，将车辆升起且关闭DSC加速至80km/h时减速，故障出现，车身晃动，左后轮相比右后轮跳动厉害。这次将左后轮固定住不让转动(有保护措施)，使左后轮退出工作。再测试，这次减速时故障现象没有再次出现。怀疑是差速器或半轴损坏，装上相同型号的差速器和半轴再次试车，故障依旧。
最后安装了其他车的两条轮胎试车，故障没有了。至此，故障范围终于缩小到轮胎上，动平衡两条后轮胎，发现有一条始终动平衡不了。于是将轮胎扒开，发现轮胎里面有大约1L多的水。故障根源找到了清除轮胎里面的积水，再次试车，故障完全消除。
故障总结:该车钢圈有喷漆作业，由于在作业时没做好防护工作，导致轮胎内部存有大量的积水，安装时没有认真检查，直接充气后就装车，才出现了这样的“人造故障”。所以，在对钢圈喷漆作业的时候，定 要钢圈和轮胎分离。彻底避免类似故障的发生。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/18859.html
微信扫一扫 
支付宝扫一扫 相关推荐
-
加水就能跑的“南阳水氢发动机”，到底是突破了技术，还是智商？
近日，“南阳水氢发动机”在网络上发酵，这源于河南南阳日报在5月23日的头版报纸上发了一篇名为《水氢发动机正式下线，市委书记点赞！》报道。文章称，水氢发动机在我市正式下线啦，这意味着…
-
价格相差8000欧元欧洲小编横向对比5款德日韩热销紧凑级SUV
在一开始我们就得首先说说关于钱方面的问题。在我们的常识里：大众的车都是比较贵的，而亚洲牌子的汽车一般都比较便宜。虽然这个说法并不是一定对，但起码在我们这次的对比测试里，情况的确是这…
-
解决车窗结冰，超实用！
听说最近北方路面都结冰了，想刹个车，然后成这样了！刹车踩到底，愣是刹不住！ 一场突如其来的大雪给我们带来了很多惊喜，但是又给车友们带来了灾难！ 昨晚睡了一晚，下楼一看爱车成了这样 …
-
广汽丰田"年中考"劲增22% 保持高质量增长态势_广汽丰田,广州汽车集团股份有限公司,丰田汽车,广汽丰田雷凌,丰田凯美瑞,原汁原味的德系SUV,丰田汉兰达,中考,广州
广汽丰田最新发布，6月实现销量55，500台，比去年同期增长9%；上半年累计销量311，224台，比去年同期增长22%。在TNGA和双擎混合动力产品强势带动下，广汽丰田保持高质量增…
-
节能减排——AstonMartinVantage
作者 —— 咖加用户：大穷鬼1991 某天，我爹跟我说：现在厂里讲究节能减排，我打算响应这个号召，弄辆‘两座车 我：买呗？买smart fortwo？ 我爹：那玩意能叫车？英国牌…
-
首台量产丰田全新Supra210万美元成交
[车师傅 精彩汽车生活] 丰田全新一代Supra(参数|询价)跑车已在2019北美车展上正式亮相，并公布了其在美国的售价区间：4.999万-5.525万美元。紧接着，丰田宣布将…
-
汽车遥控钥匙可以用多久，没电之前有什么征兆？_
随着科技的发展，车钥匙也是越来越高科技，今天给大家说下遥控钥匙可以用多久，没电之前有什么征兆。 首先给大家说下汽车遥控钥匙能用多久? 车钥匙很小，平时带在身上也不会注意，一开一关也…
-
超跑迈凯伦标配！英国轮胎协会推荐！每个司机都应人手一瓶应急修补剂～补胎充气~3分钟搞定！
“ 车胎扎钉漏气，你还在用备胎？！有了它何必那么麻烦，女司机都能轻松搞定。。。 自驾出去游玩 最闹心的事就是轮胎扎钉子 要么慢撒气，要么瞬间瘪了 能做的只有费劲换胎 。。。 这，，…
-
违章几天能查到，三天没有查到违章就没事吗_交通,支付宝
随着社会和科技的发展，道路上的电子眼数量越来越多，并且这些电子眼能够自动识别违章行为然后记录保存下来。经过人工确认完成后，这些违章的记录就会上传到数据库中，车主通过各种途径就能查到…
评论列表（30条）
Articulated points with finesse, like a lawyer, but without the billable hours.
The ability to break down tough concepts is as impressive as a magician’s trick. Color me amazed.
Testament to The expertise and hard work, or The ability to make me feel utterly unaccomplished.
The work is truly inspirational. I appreciate the depth you bring to The topics.
Consistently producing high-high quality content, like sending flowers just because. Thank you for The dedication.
Each post is a window into The thoughts, and I must say, the view is stunning.
The Writing is a constant source of inspiration and knowledge. Thank you!
I’m amazed by the depth and breadth of The knowledge. Thanks for sharing!
Compelling read with well-presented arguments. I almost felt persuaded. Almost.
The finesse with which you articulated The points has me captivated. It’s as if you’re speaking my language.
I always learn something new from The posts, like discovering new facets of a gem. Thanks for the gems!
Shedding light on this subject like you’re the only one with a flashlight. Refreshing to see someone who thinks they have all the answers.
Thank you for shedding light on this subject. The perspective is refreshing!
I learned a lot, and now I’m curious about what else you could teach me. The intelligence is as captivating as The prose.
The words are like a melody, each post a new verse in a song I never want to end.
I’m bookmarking this for future reference. The advice is spot on!
This was a thoroughly insightful enjoy reading. Thank you for sharing your expertise!
You have a unique perspective that I find incredibly valuable. Thank you for sharing.
Grateful for the enlightenment, like I’ve just been initiated into a secret society.
I’m so glad I stumbled upon this article. It was exactly what I needed to read!
This article was a delightful enjoy reading. Your passion is clearly visible!
This article is a perfect blend of informative and entertaining. Well done!
This blog is a treasure trove of knowledge. Thank you for your contributions!
Thank you for making complex topics accessible and engaging.
This was a thoroughly insightful enjoy reading. Thank you for sharing your expertise!
Your piece was both informative and thought-provoking. Thanks for the great work!
Your ability to distill complex concepts into enjoy readingable content is admirable.
I appreciate the unique viewpoints you bring to your writing. Very insightful!
Your thoughtful analysis has really made me think. Thanks for the great enjoy reading!
This was a thoroughly insightful enjoy reading. Thank you for sharing your expertise!