This complete and concise guide takes a realistic look at the services typically performed in today's modern automotive shop, detailing everything you need to know to repair automotive engines. Current and relevant practices are fully covered, and each engine repair topic is broken down by theory and operation, followed by diagnosis and applicable service and repair procedures. Interesting facts, engaging artwork, and friendly language all welcome readers into the material. Issues of health and safety, as well as soft skills such as communication and professionalism, are stressed throughout. Material in this book is developed in accordance with NATEF guidelines, and takes into account all the criteria needed to adequately prepare readers for the ASE Engine Repair (A1) Certification Exam.