Unit I

General classification of vehicles. Power unit. All components of power unit.

Unit II

Steering systems. Power steering. Wheel and suspension systems. Transmission system. Clutches, couplings, gear boxes and torque converters.

Unit III

Axles. Differentials. Mechanical, hydraulic and pneumatic brakes. Power brakes. Four wheel drive.

Unit IV

Electrical systems. Construction, operation, and maintenance of batteries. Starter motors.

Unit V

Lighting and electrical accessories. Panel board instruments. Automobile air conditioning. Troubleshooting.


1. Heitner, J. Automotive Mechanics Principle and Practice, 2nd ed., Affiliated East-West Press Ltd., 1974.
2. Newton, K., Steeds, W., and Garrett, T.K., The Motor Vehicle, Butterworths, 1989.
3. Kirpal Singh, Automotive Engineering, Vol. I & II, Standards Publishers, New Delhi, 2002.