The present work has for goal, to avoid to the reader of unfortunate confusions which would carry damage has the interpretation.The reader is invited, to read the car repair itself to discover the wonders it contains..to understand the meaning and scope of the main cases that we meet in the car repair.This book includes four main chapters:The engine, the auxiliary organs, the transmission organs, the organs of use and safety.The explanations in all chapters are clear and easy to understand.