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轿车严重漏油检修的方法

来源:http://www.sdjnltqf.com发布时间:2017-10-06 23:57:59

一辆行驶里程超21万km,车型为E60,搭载N46发动机的2008年宝马525i轿车。济南宝马汽车保养用户反映:该车严重漏油。
A mileage of over 210 thousand km, models for E60, equipped with N46 engine in 2008 BMW 525I sedan. Ji'nan BMW car maintenance users reflect: the car serious oil spills.
济南宝马汽车保养检查分析:维修人员检查发现,该车多处部位存在不同程度的机油渗漏。通常情况下如果是密封件老化应该是个别部位渗漏。由此判断,该车的问题应该是曲轴箱内的废气气压偏高。


Ji'nan BMW car maintenance inspection analysis: maintenance personnel inspection found that the car in many parts of varying degrees of oil leakage. Normally, if the seal is aging, it should be leaking in individual parts. Judging from this, the problem of the car should be that the exhaust gas pressure in the crankcase is on the high side.
检测发动机控制单元,济南宝马汽车保养发动机进入节气门控制状态。在这种状态下进气门的升程为最大值,发动机的扭矩由节气门来临时控制。
Check engine control unit, Ji'nan BMW automotive maintenance engine enter throttle control status. In this state, the lift of the intake valve is the maximum, and the torque of the engine is controlled by the throttle valve.
济南宝马汽车保养在节气门方式控制下曲轴箱的通风流量是由曲轴箱通风阀来控制的。由于曲轴箱出现了一定程度的正压,所以问题应该出在曲轴箱通风控制阀上。此外,由于该车已经进入节.气门控制模式,说明进气门也是有问题的。故障排除:更换曲轴箱通风阀,清洗进气门,试车确认故障排除。
Under the throttle mode control, the ventilation flow of the crankcase is controlled by the crankcase ventilation valve of Ji'nan BMW automobile. Because the crankcase has a certain degree of positive pressure, the problem should be on the crankcase ventilation control valve. In addition, as the car has entered the throttle valve control mode, the intake valve is also problematic. Troubleshooting: replace crankcase ventilation valve, clean intake valve, test drive, confirm troubleshooting.
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