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(初稿)汽车润滑系统的故障诊断与维修讲述
桂林航天工业学院本科毕业设计（论文）
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PAGE 12
桂林航天工业学院
毕业设计（论文）
题 目 汽车润滑系统的故障诊断与维修
汽车服务与交通工程学院 汽车服务工程 专业 12级 02 班
学 号 2012052B0230
姓 名 李再生
指导老师 张治龙
成 绩
完成日期 2016 年 5 月
目录
摘要································································3
绪论································································3
一、润滑系统的组成及功用············································3
1.1润滑系统的功用················································3
1.2发动机润滑系的组成············································3
1.3发动机的润滑方式··············································4
二、润滑系统常见故障诊断与维修······································4
2.1发动机机油压力过高············································4
2.1.1现象······················································5
2.1.2原因分析··················································5
2.1.3诊断与排除················································5
2.2机油消耗过大··················································5
2.2.1现象······················································5
2.2.2原因分析··················································5
2.2.3诊断与排除················································6
2.3机油变质······················································6
2.3.1现象······················································7
2.3.2原因分析 ·················································7
2.3.3诊断与排除················································7
三、润滑系故障维修实例···············································7
3.1桑塔纳轿车在行驶过程中突然出现机油报警灯报警··················7
3.2夏利轿车发动机烧机油··········································8
四、发动机润滑系统的维护·············································8
五、 结论····························································8
参考文献·····························································9
【摘要】：本文讲述了发动机润滑系组成及功用，润滑油的选用及更换，润滑系统出现常见故障的现象，常见故障的分析与诊断以及一些润滑系统故障的维修案例。让我们了解了发动机润滑系故障的一些故障现象以及排除故障的方法。随着汽车科技的发展，汽车的结构越来越复杂，我们只有掌握更多的知识和实践经验，才能更好地运用检测仪器快速准确地查找汽车的故障原因，并把故障排除。
发动机的润滑是由润滑系统来实现的。润滑系的基
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