E60變速箱橋接油封更換DIY檢測+更換 - 保養
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By Hamiltion
at 2023-01-01T18:19
at 2023-01-01T18:19
Table of Contents
最近幫忙車友DIY 更換了E60變速箱的通病橋接油封
跟大家分享一下症狀診斷跟過程
什麼是過橋油封:6hp變速箱將油打到閥體的過度用油封裝置,也有人叫眼鏡,因為長的像眼鏡,如果破裂,油會溢出無法建立油壓
症狀: E60線傳6hp變速箱,打任何檔位都會自動跳回P檔 爬文檢測是油壓不足導致因為線傳的檔位需要有油壓,電磁閥才能藉由開關來移動檔位。最常見的原因是過橋油封破損,其次可能是油泵故障與變速箱油不足,但苦主表示前幾天才剛花大錢換了油底殼,電線油封,變速箱油,修車廠老闆告知有補了6.5公升的變速箱油,所以先排除變速箱油不足導致(後來發現保養廠老闆唬爛,根本沒加滿,但這不是最核心的症狀原因)
實際頂車檢測:漏油下來發現只漏了3.5公升出來,原本想說是修車廠老闆唬爛不會照程序灌油,拿了新變速箱油來加,發現發動引擎的第二步添加也只能吸到3.5公升就不繼續吸油了,最後拆下油底殼與閥體,果然是過橋油封斷裂,換上後可正常補油6.5公升(所以之前怎麼補也只能補到3.5加上漏出來的油嚴重不足,代表修車廠老闆說有補6.5公升是在唬爛),症狀消失,可正常行駛
總結:這個故事告訴我們,有症狀先耐心好好研究分析一下原因是什麼,然後要修車廠換東西,可以監工就要在旁邊監工
正常的過橋油封
http://i.imgur.com/VlUVcNQ.jpg
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拆下發現破裂的過橋油封
http://i.imgur.com/WulA2Uo.jpg
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冷車打開加油孔的油量,只有滴這些出來
正確加油程序是,冷車下補到油滿出來,發動引擎,變速箱油泵把油吸上去,這時再溫度規範內補到滿出來,關上加油孔,才是正確油位
所以,冷車打開只有這點油出來,代表修車廠老闆根本沒照程序做
苦主後來找修車廠老闆理論還死不承認,硬說自己有加6.多公升的油進去
台灣這種爛修車廠到底還有多少?
http://i.imgur.com/UgUJaKY.jpg
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http://i.imgur.com/tnIvE7T.jpg
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