Core Viewpoint - Dongfeng Commercial Vehicle Xinjiang Co., Ltd. is recalling a total of 586 units of the DFV4258GP6N LNG semi-trailer trucks due to safety hazards related to engine and gas supply system failures [4][5]. Group 1: Recall Details - The recall involves vehicles produced between December 17, 2019, and June 12, 2020, and is initiated under the regulations for defective automotive products [4]. - The recall is categorized into three ranges, each addressing specific safety issues related to the vehicles [5]. Group 2: Safety Issues - For the first range, the EGR cooler may experience partial overheating, leading to potential engine damage and power loss under extreme conditions [5]. - The second range involves a design flaw in the gas supply system that could lead to gas leaks, posing a fire risk [5]. - The third range indicates that the exhaust system may overheat, risking damage to components and potential engine failure or fire hazards [5]. Group 3: Remedial Actions - Dongfeng will provide free inspections and replace the EGR cooler for the first range of vehicles to eliminate safety risks [6]. - For the second range, the company will install an electromagnetic shut-off valve in the LNG supply system to prevent gas leaks [6]. - The third range will see the replacement of the exhaust manifold to address safety and emission concerns [6]. Group 4: Notification Process - The company will notify affected vehicle owners through registered mail, phone calls, and text messages to arrange for free recall repairs [7]. - Customers can contact the service hotline for inquiries regarding the recall [7].

本次召回范围内的车辆，在极限工况等条件下使用时，可能出现发动机废气再循环系统（EGR）冷却器 除气不畅，冷却器进气端局部过热，造成EGR冷却器芯部隐裂渗漏，触发故障限扭保护，继而引起辆动 力下降。极端情况下，可能造成发动机损坏，存在安全隐患。 东风商用车新疆有限公司将免费为召回范围内的车辆进行检查，更换改进后的EGR冷却器，以消除安全 隐患。 二、召回编号S2026M0003I： 三、召回编号E2026M0004I： 经济观察网 据市场监管总局网站消息，日前，东风商用车新疆有限公司根据《缺陷汽车产品召回管理 条例》、《缺陷汽车产品召回管理条例实施办法》和《机动车排放召回管理规定》的要求，向国家市场 监督管理总局备案了召回计划。决定自即日起，召回2019年12月17日至2020年6月12日生产的部分 DFV4258GP6N型LNG半挂牵引车，共计586辆。 本次召回范围内的车辆，在极限工况等条件下使用时，会导致排气系统局部过热，使排气系统相关零部 件寿命显著降低，可能造成排气歧管损坏，极端情况下可能引发发动机损坏和起火风险，存在安全隐患 和排放危害。 一、召回编号S2026M0002I： 东风商用车新疆有限公司 ...