Toyota提報美國NHTSA文件顯示bZ4X輪轂脫 - 汽車
By Anonymous
at 2022-07-17T23:39
at 2022-07-17T23:39
Table of Contents
原文連結:
https://news.u-car.com.tw/news/article/71398
原文內容:
Toyota提報美國NHTSA文件顯示bZ4X輪轂脫落首發事件出現在臺灣
Toyota 總代理和泰汽車在 6 月 23 日與日本 Toyota 同步宣布 bZ4X 停止交車,
對於已交車車輛進行召回,同時提供車主代步車或每日 1500 元代步補償金的配套
方案。
整起事件源於 bZ4X 出現輪圈脫離的案例,原廠判斷繼續行駛將有安全風險。而隨著
Toyota 提交美國政府公路安全監理的文件公開,文件內指出,全球首輛發生輪圈脫
落的 bZ4X,是發生在臺灣!
根據 Toyota 在 6 月 23 日正式向美國 NHTSA 提出的 DEFECT INFORMATION REPORT
瑕疵資訊報告中指出,Toyota 最早在 5 月中就接到 1 份臺灣的報告,有輛 bZ4X
出現左前輪脫離的狀況。Toyota 立刻對臺灣這輛車的相關零件與輪圈進行分析。而
後續美國市場亦在 6 月 3 日及 6 月 8 日回報 2 輛 bZ4X 亦出現輪圈脫離,同樣
是左前輪與輪轂發生分離,三起事件讓 Toyota 確認這並不是單一車輛的特例案件。
輪穀脫落均發生於左前輪
在該報告中 Toyota 指出,本次 bZ4X 所發生的問題,均是發生在左前輪。Toyota
經過反覆測試,發現在特定行駛模式之下,固定輪圈的螺栓將會自輪轂上鬆脫,進
而造成輪圈與輪轂的分離,造成行駛的危險。
不過,在檢視輪轂、螺栓、輪圈的生產製造過程,並未發現任何的瑕疵與問題;生
產線上的組裝以及螺栓的鎖固流程,亦未檢驗出任何不合格的狀況;發生故障的臺
灣車輛,雖然有其他損壞,但是判斷都因為輪框分離之後而造成,並不是事故的導
因。換句話說,Toyota 仍沒有掌握到問題發生的原因。
然而,Toyota 在 6 月 20 日確認特定行駛模式會造成螺栓鬆脫的問題,雖然造成
的原因仍在釐清,也還沒有任何因此而進行的保固請付的事件,但是因為已經確認
了鬆脫會有危險的風險,Toyota 立刻決定進行全球召回,以確保安全。
據 Toyota 統計,在召回及停止交車發動時,全球僅有 258 輛 bZ4X 以及 403 輛
雙生車 Subaru Solterra 有鬆脫的風險,中國更在發表會前一天緊急取消 bZ4X 的
上市,讓有問題的車輛沒有流入市場,保護消費者的安全。
從臺灣的首發事件到全球召回
從這份報告之中可以發現,汽車產業在經過多年的發展,不論是汽車產業內部,或
是外部的法規與監理作業,在這起事件當中,發揮了應有的安全防護機制。當任何
問題發生,汽車公司與管理機關已有明確的流程進行應對,以確保消費者權利。
這一切,臺灣 Toyota 總代理和泰汽車,在事件發生之後,根據現有的規範及流程,
與 Toyota 全球回報系統對接。因此,相關的情報與技術證據的整理,轉交 Toyota
進行研究,啟動了 bZ4X 的技術調查,最後發動了全球召回。
故障成因尚無定論,bZ4X 仍無法交予車主
不過 bZ4X 這次的事件仍是在五里迷霧之中,因為問題不是發生在新式的電動驅動
系統之上,而是傳統的螺栓與輪轂的設計及匹配之上。
螺栓鎖固的設計,在機械工程中是各種設計的基礎,Toyota 在 1935 年打造出首
輛 Toyoda AA 開始,已打造過數以億計的車輛,對於輪轂與螺栓的鎖固設計早有
豐富經驗,究竟是什麼環節出了問題,讓其在行駛之後會出現鬆脫問題,已經成為
全球汽車產業的疑惑,有待 Toyota 內部的研究提供答案。
心得/說明:(30字以上)
台灣首發!!! 正港台灣之光 (!!???)
不過和泰處理得真不錯,沒有蓋下來沒往上報...
之前網路上流傳的那張照片不知道會不會被朝聖
補充
對原文報告有興趣的
https://www.nhtsa.gov/recalls?nhtsaId=22V444000
裡面有個 pdf 裡面有更多連結。
https://static.nhtsa.gov/odi/rcl/2022/RMISC-22V444-4456.pdf
--
Money can't buy happiness but it can buy performance
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