本书为河南省中等职业学校对口升学考试复习指导系列图书中的一本，主要内容包括汽车发动机构造 与维修及汽车底盘构造与维修。本书还整理了河南省中等职业学校对口升学考试汽车类基础课综合训练 题。其中，基础过关、提升训练和综合训练的参考答案可扫描书中二维码查阅。 本书适合作为参加汽车运用与维修类专业对口升学考试学生的复习参考资料。

河南省教育科学规划与评估院是经省编委批准设立的省教育厅直属的事业单位，其职责是“职业教育教学研究、职业学校教学用书供应、地方教材与补充教材组织编写、职教教学质量评估及教学改革试验”。

第一部分 汽车发动机构造与维修
项目一 发动机概述 ················································································.1
项目二 发动机机械系统 ··········································································11
项目三 进、排气系统 ·············································································41
项目四 燃油供给系统 ·············································································49
项目五 冷却系统 ···················································································57
项目六 润滑系统 ···················································································65
项目七 发动机电子控制系统 ····································································74
第二部分 汽车底盘构造与维修
项目一 离合器 ······················································································93
项目二 手动变速器系统 ·······································································.113
项目三 传动轴及驱动桥 ·······································································.125
项目四 行驶系统 ················································································.137
项目五 转向系统 ················································································.159
项目六 制动系统 ················································································.179
第三部分 综合训练题
汽车类基础课综合训练（一） ·································································.213
汽车类基础课综合训练（二） ·································································.219