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Book Review: Automotive Technician Training Theory – Second Edition

By autotech-nath on January 25, 2022

In many ways, it is amazing that this book exists. Cramming virtually every facet of automotive technical theory concisely into a single textbook is a virtually impossible task. Yet, possessing considerable clout as automotive practitioners, consultants, educators and writers, both authors of Automotive Technician Training Theory have risen to the challenge and succeeded.

To focus the content, Denton and Pells include all of the information that students need to pass Levels 1, 2 and 3 qualifications in Light Vehicle Maintenance and Repair. The authors strive hard to make a sizable 570pp textbook as undaunting and accessible as possible but without patronising their readers. Health and Safety information, details about how the motor industry works (including vital information about how to communicate face-to-face with customers – a skill that many Gen Zs may find essential) kick-start the book. More general advice about workshop skills and vehicle maintenance are followed by chapters that probe the theoretical intricacies of combustion engines, electrical systems, suspension/ steering/brakes, transmissions and advanced diagnostics. All- new sections on high-voltage and ADAS systems update the book successfully.

This Second Edition continues its predecessor’s approach to blended online learning. Yet, obtaining full benefit requires admittance to the IMI eLearning system. While most colleges have access, readers who are unprepared to shoulder the additional costs can utilise the free additional resources on This website boasts additional activities to support the book, from learning hints, activity sheets, puzzles and quizzes. However, we feel that this part of the blended learning experience requires updating and making more user-friendly to match the high standard set by the textbook.

Information is well- presented and concise. The use of images and diagrams are excellent. The 2022 Second Edition includes new sections on high- voltage and ADAS.

It is fortunate that pictures tell a thousand words, because illustrations, press images and real-world workshop pics are well-used to create an uncluttered layout. The writing is clear, concise and both authors’ styles blend well. While intended to cover the basic theory, some topics go into considerable detail (such as the workings of Bosch’s e-clutch), which makes the title useful for those with more advanced knowledge.

Yet, while the textbook succeeds in its aims, it could have updated the First Edition more comprehensively. Being ultra-critical, no details feature about EFB batteries and LED headlights, which have been common fitments for at least five years. Additionally, some tech examples are relatively old-fashioned, such as three pages dedicated to the Ford CTX CVT from 1987, or deep discussion of the Volkswagen Group’s DSG6 but no mention of the more popular DSG7 DCT. While it is likely that these updates will follow in future editions, we should remember that this book’s core audience is students. Therefore, the content must reflect course and exam contents and the hardware present within a typical educational establishment.

Verdict: We are confident in our hearty recommendation. The Automotive Technician Training Theory’s Second Edition is useful for not just students cramming for their exams but also professionals wanting to re-cap their knowledge. Additionally, it acts as an ideal precedent to Tom Denton’s other six books, aimed towards technicians who are focussed on furthering their professional development.



About Autotechnician
Autotechnician is a magazine published nine times a year, delivering essential information to independent garage owners and technicians in the UK. Delivered both digitally and in print, autotechnician provides readers with technical, training, business advice, product and news, allowing our readers to keep up to date with information they need to run and work within a modern workshop.
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