Automobile Engineering is one of the most challenging engineering courses involved in the design, manufacturing, modification and maintenance of buses, cars, trucks, and other vehicles. The present Textbook of "Basics of Automobile Engineering" is written mainly for the students of Diploma, B.Tech, M.Tech in Mechanical and Automobile Engineering. It presents clear description of working principles of different automobile systems. The book also contains both subjective and more than 200 objective types questions and answers.