目录
00 说明、注意事项.............................................................1
1 一般说明...............................................................................1
1.1 检修发动机时的安全事项...............................................................1
1.2 维修作业过程中的注意事项.............................................................1
01 技术数据...................................................................2
1 发动机概述.............................................................................2
2 螺栓拧紧力矩...........................................................................3
3 发动机技术数据.........................................................................8
02 故障诊断..................................................................13
1 常见故障诊断..........................................................................13
1.1 气缸压力过低，发动机动力不足........................................................13
1.2 气缸压力过高........................................................................13
1.3 发动机水温过高......................................................................14
1.4 电子风扇不能工作....................................................................15
1.5 机油压力过低，机油压力报警灯点亮....................................................16
1.6 发动机不能启动（起动机正常）燃油故障................................................16
1.7 车速在40Km/h以上时，打开巡航开关时巡航系统不能启动..................................17
1.8 发动机怠速不稳......................................................................18
1.9 发动机动力不足，无法加速............................................................18
1.10 发动机异响.........................................................................19
1.11 机油消耗过多.......................................................................19
03 检测......................................................................21
1 气缸体................................................................................21
1.1 测量曲轴径向间隙....................................................................21
1.2 测量曲轴轴向间隙....................................................................21
1.3 测量气缸体内径......................................................................22
1.4 测量活塞环开口间隙..................................................................22
1.5 测量活塞环槽高度间隙................................................................22
1.6 测量活塞直径........................................................................23
2 气缸盖................................................................................24
2.1 检查气缸盖与气缸体表面翘曲度........................................................24
2.2 测量凸轮轴轴向间隙..................................................................25
2.3 测量气门导管间隙....................................................................25
2.4 测量气门杆、气门导管及气门油封安装高度..............................................26
2.5 测量液压挺柱........................................................................27
2.6 测量气缸压力........................................................................27
3 润滑系统..............................................................................29
3.1 测量润滑系统压力....................................................................29
4 燃油系统..............................................................................30
4.1 测量燃油系统压力....................................................................30
5 冷却系统..............................................................................32
5.1 测量冷却系统密封性..................................................................32
6 进、排气系统..........................................................................34
6.1 测量排气歧管及气缸盖进排气侧平面翘曲度..............................................34
10 发动机总成机构............................................................35
1 动力总成机构..........................................................................35
1.1 发动机系统概述......................................................................35
1.2 拆卸和安装发动机总成................................................................38
1.3 安装发动机桥架......................................................................46
- 目录 i -
广汽传祺轿车 2016
发动机维修 11.2016
2 将发动机与变速器分离..................................................................49
2.1 将发动机与变速器分离（用于装配自动变速器的车型）....................................49
2.2 将发动机与变速器分离（用于装配手动变速器的车型）....................................51
3 发动机悬置概述........................................................................55
3.1 上悬置装配概述......................................................................55
3.2 左悬置装配概述（用于装配自动变速器的车型）..........................................55
3.3 左悬置装配概述（用于装配手动变速器的车型）..........................................55
3.4 右悬置装配概述......................................................................56
3.5 后悬置装配概述......................................................................56
4 多楔带................................................................................57
4.1 多楔带装配概述......................................................................57
4.2 多楔带布置图........................................................................58
4.3 拆卸和安装多楔带....................................................................58
5 平衡轴皮带............................................................................59
5.1 平衡轴皮带装配概述..................................................................59
5.2 平衡轴皮带布置图....................................................................60
5.3 拆卸和安装平衡轴皮带................................................................60
6 正时皮带..............................................................................66
6.1 正时皮带装配概述....................................................................66
6.2 正时皮带布置图......................................................................67
6.3 拆卸和安装正时皮带..................................................................67
6.4 正时皮带惰轮及支架总成装配概述......................................................74
6.5 拆卸和安装正时张紧轮及惰轮..........................................................75
11 曲轴连杆机构..............................................................76
1 附件支架..............................................................................76
1.1 附件支架装配概述....................................................................77
1.2 拆卸和安装附件支架..................................................................78
2 飞轮、驱动盘..........................................................................81
2.1 驱动盘装配概述（用于装配自动变速器的车型）..........................................81
2.2 拆卸和安装驱动盘（用于装配自动变速器的车型）........................................82
2.3 飞轮装配概述(用于装配手动变速器的车型)..............................................83
2.4 拆卸和安装飞轮及离合器盖总成(用于装配手动变速器的车型)..............................84
3 平衡轴................................................................................87
3.1 平衡轴装配概述......................................................................87
3.2 拆卸和安装平衡轴....................................................................88
3.3 更换平衡轴油封......................................................................95
4 曲轴..................................................................................98
4.1 曲轴装配概述........................................................................99
4.2 主轴承盖螺栓拧紧顺序...............................................................100
4.3 主轴承盖装配关系...................................................................100
4.4 主轴瓦的装配关系...................................................................100
4.5 拆卸和安装曲轴后油封...............................................................101
4.6 拆卸和安装曲轴前油封...............................................................103
4.7 拆卸和安装机油冷却喷嘴总成.........................................................105
4.8 拆卸和安装曲轴转速齿圈.............................................................106
4.9 缸孔、曲轴测量分组条形码说明.......................................................107
4.10 活塞、主轴瓦及连杆瓦的选配方法....................................................109
5 活塞和连杆...........................................................................110
5.1 活塞和连杆装配概述.................................................................110
5.2 活塞环的装配位置...................................................................111
5.3 拆卸和安装活塞连杆.................................................................111
5.4 拆卸和安装连杆衬套.................................................................114
5.5 活塞与连杆的装配关系...............................................................114
5.6 拆卸和安装活塞环...................................................................115
12 气缸盖、配气机构.........................................................116
1 气缸盖...............................................................................116
1.1 气缸盖罩装配概述...................................................................116
- 目录 ii -
广汽传祺轿车 2016
发动机维修 11.2016
1.2 拆卸和安装气缸盖罩.................................................................117
1.3 气缸盖装配概述.....................................................................119
1.4 拆卸和安装气缸盖总成...............................................................120
1.5 凸轮轴装配概述.....................................................................123
1.6 拆卸和安装凸轮轴...................................................................125
1.7 拆卸和安装机油控制阀...............................................................127
1.8 拆卸和安装相位调节器...............................................................128
1.9 拆卸和安装凸轮轴油封...............................................................129
2 配气机构.............................................................................131
2.1 配气机构装配概述...................................................................131
2.2 更换气门油封.......................................................................132
13 润滑系统.................................................................135
1 油底壳和机油泵.......................................................................135
1.1 油底壳、机油泵装配概述.............................................................136
1.2 拆卸和安装油底壳...................................................................137
1.3 拆卸和安装机油泵总成...............................................................140
1.4 拆卸和安装机油冷却器...............................................................142
1.5 拆卸和安装机油压力传感器...........................................................144
1.6 检查机油油位.......................................................................145
14 冷却系统.................................................................147
1 冷却系统装置.........................................................................147
1.1 冷却液管路连接图...................................................................148
1.2 更换冷却液.........................................................................149
1.3 拆卸和安装水温传感器...............................................................150
1.4 拆卸和安装调温器...................................................................151
1.5 水泵装配概述.......................................................................152
1.6 拆卸和安装水泵.....................................................................153
1.7 拆卸和安装发动机进水管总成.........................................................154
1.8 拆卸和安装调温器带座总成...........................................................156
2 散热器和电子风扇.....................................................................157
2.1 散热器、电子风扇装配概述...........................................................157
2.2 拆卸和安装散热器总成（用于装配自动变速器的车型）...................................158
2.3 拆卸和安装散热器总成（用于装配手动变速器的车型）...................................159
2.4 拆卸和安装电子风扇总成（用于装配自动变速器的车型）.................................161
2.5 拆卸和安装电子风扇总成（用于装配手动变速器的车型）.................................161
2.6 拆卸和安装电子风扇电阻.............................................................162
2.7 拆卸和安装电子风扇.................................................................163
15 燃油供给系统.............................................................164
1 燃油供给装置.........................................................................164
1.1 燃油供给装置装配概述...............................................................165
1.2 拆卸和安装燃油泵总成...............................................................166
1.3 拆卸和安装副燃油泵总成.............................................................168
1.4 拆卸和安装燃油滤清器...............................................................171
1.5 拆卸和安装燃油箱总成...............................................................171
1.6 拆卸和安装加油管总成...............................................................173
2 燃油喷射装置.........................................................................175
2.1 拆卸和安装油轨喷油器总成...........................................................175
17 排放控制系统.............................................................177
1 燃油蒸发控制系统.....................................................................177
1.1 拆卸和安装碳罐控制阀...............................................................177
1.2 拆卸和安装碳罐.....................................................................178
2 排气歧管.............................................................................179
- 目录 iii -
广汽传祺轿车 2016
发动机维修 11.2016