摘要本论文主要概述了私家乘用车的常见故障并对故障现象及其产生原因进行了分析，本文主要从私家车的发动机、底盘、电气设备以及车身等方面介绍，包括发动机常见故障分析，底盘常见故障分析，电器设备常见故障分析，由于很少出现车身故障所以在此不多介绍。通过对常见故障的现象以及产生原因进行分析，对避免或减少私家车的故障以及提高汽车的安全性有着重要的现实意义。关键词：发动机，底盘，车身，电气设备，常见故障分析IAbstractThispapermainlyoutlinedthecommonfaultofprivatepassengercarsandfaultphenomenonanditscausesareanalyzed,thisarticlemainlyfromthecarengine,chassis,electricalequipmentandcarbodyisintroduced,includingthecommonfaultanalysisengine,chassiscommonfaultanalysisandcommonelectricalequipmentfailureanalysis,failureduetorarebodysomuchisintroducedhere.Basedonthephenomenonandcausesofcommonfaultswereanalyzed,andtoavoidorreducethefailureofprivatecarsandincreasethesafetyofthecarhasanimportantpracticalsignificance.Keywords:Engine,Chassis,Body,Electricalequipment,CommonfailureanalysisIII目录前言....................................................................11私家乘用车发动机的常见故障分析.........................................21.1当发动机运转时活塞敲击汽缸壁.......................................21.2发动机运转中液压挺柱处发出异响，并随转速的升高而增大...............31.3新车或大修车在走合期内易发生汽缸拉缸故障...........................31.4发动机漏水、漏气...................................................41.5曲轴轴承和连杆轴承响...............................................51.6气门漏气...........................................................61.7发动机冷机怠速过高，热机怠速偏低...................................61.8发动机起动困难是一种常见的故障现象.................................81.9发动机功率下降.....................................................81.10发动机排烟不正常.................................................102私家乘用车底盘常见故障................................................112.1汽车行驶时，离合器常见故障........................................112.2汽车行驶时跑偏....................................................112.3转向沉重的故障分析................................................142.3.1液压动力转向系统转向沉重的原因分析...........................152.4轮胎磨损异常......................................................152.5转向熄火故障......................................................152.6制动时汽车跑偏....................................................163电器及其电子设备......................................................183.1蓄电池自行放电....................................................183.2蓄电池极板硫化....................................................183.3机油压力指示表常见故障............................................193.4点火线圈的常见故障分析............................................203.5无暖风及无冷风故障................................................22结论...................................................................23致谢...................................................................24参考文献.................................................................25II0山东交通学院毕业论文前言私家汽车作为我们的代步工具已经越来越普及，越来越成为我们生活中的一部分，随着汽车使用时间的增长，因操作不当，维修质量和自然环境等的影响，各机构、总成和系统因磨损、破损、固定松动、老化、接触不良、短路、和短路等原因，使汽车部分或完全丧失工作能力，这些就是所...
