Unit One 1
Section A Basic Structure of an Automobile 1
Section B History of Automobile Industry 7
Section C Dialogue At the 4S Store 10
Unit Two 14
Section A Components and Operation of the Engine 14
Section B Troubles and Maintenance of Engines 21
Section C Karl Benz 25
Unit Three 29
Section A Engine Fuel System 29
Section B Fuel Injector and Its Maintenance 35
Section C Dialogue Price Discussion 38
Unit Four 41
Section A Engine Exhaust System 41
Section B Emission Control System 46
Section C BMW 49
Unit Five 53
Section A Engine Cooling System 53
Section B Cooling System Troubleshooting 59
Section C Dialogue Terms of Payment 62
Unit Six 65
Section A Engine Lubrication System 65
Section B Engine Lubricating Oil 70
Section C Henry Ford 74
Unit Seven 78
Section A Engine Ignition System 78
Section B Battery and Its Maintenance 84
Section C Dialogue At the Auto Beauty Shop 88
Test（Unit 1-Unit 7） 92
Unit Eight 97
Section A Clutch 97
Section B Clutch Troubleshooting 103
Section C General Motors Corporation 107
Unit Nine 112
Section A Transmission 112
Section B Checking and Servicing the Automatic Transmission 120
Section C Dialogue In the Auto Repair Shop 124
Unit Ten 127
Section A Suspension System 127
Section B Leaf Spring Maintenance 133
Section C Toyota 136
Unit Eleven 140
Section A Steering System 140
Section B Causes of Steering Troubles 147
Section C Dialogue Auto Insurance 150
Unit Twelve 153
Section A Brake System 153
Section B Antilock Brake System(ABS) 158
Section C FAW-VW 161
Unit Thirteen 166
Section A Automobile Navigation System 166
Section B Types of Vehicles 171
Section C Dialogue A Return Call Visit 176
Test（Unit 8-Unit 13） 178
Final Exam 183
Appendix 188
Ⅰ．Key to the Exercises 188
Ⅱ．Abbreviations 208
Ⅲ．Names of Cars 213
References 217