UNIT 1
AUTOMOBILE BASICS
Reading material：Layout of an Automobile
UNIT 2 AUTOMOTIVE ENGINE
Reading material：Valve Timing
UNIT 3 AUTOMOTIVE LUBRICATION SYSTEM
Reading material：Purpose of Oil in the Lubricating System
UNIT 4 THE COOLING SYSTEM
Reading material：Servicing Your Engine’s Cooling System
UNIT 5 FUEL INJECTION SYSTEM
Reading material：The Common Rail System
UNIT 6 THE IGNITION SYSTEM
Reading material：How to Test an Ignition System
UNIT 7 CLUTCH
Reading material：Torque Converter
UNIT 8 AUTOMATIC TRANSMISSIONS
Reading material：Continuously Variable Trans missions（CVT）
UNIT 9 THE DIFFERENTIAL
Reading material：Drive Line
UNIT 10 BRAKING SYSTEM
Reading material：How F1 Brakes Work
UNIT 11 STEERING SYSTEM
Reading material：A Short Course on Wheel Alignment
UNIT 12 FRAME AND SUSPENSION SYSTEM
Reading material：Advanced Suspension Systems
UNIT 13 VEHICLE BODY
Reading material：Instrument Cluster
UNIT 14 ELECTRICAL SYSTEM
Reading material：Electrical Troubleshooting
UNIT 15 ELECTRONIC CONTROL SYSTEM
Reading material：Computers on Modern Vehicles
UNIT 16 HYBRID DRIVE
Reading material：Fuel Cell Vehicles
APPENDIX A English Abbreviation of the Automobile
APPENDIXB Vocabulary
REFERENCES
內容試閱：
The main purpose of the transmission or gearbox is to provide a selection of gear ratios between the engine and driving wheels, so that the vehicle can operate satisfactorily under all driving conditions. Gear selection may be done manually by the driver or automatically by a hydraulic control system.
The function of the propeller（drive） shaft is to transmit the drive from the gearbox to the input shaft of the rear axle and differential assembly. Flexible joints allow the rear axle and wheels to moveup and down without affecting operation.
The rear axle and differential unit transmits the engine'' s rotational power through 90 from propeller shaft to axle shaft to road wheels. A further function is to allow each driving wheel to turn at adifferent speed; essential when cornering because the outer wheel must turn further than the insidewheel. A third function is to introduce another gear ratio for torque multiplication. In a rearwheel drive vehicle, the axles can be solid or contain joints to allow for movement of suspension. For afrontwheel drive vehicle, the drive shaft has universal joints to''allow for suspension and steering movement.
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