Tim Gilles Professor Emeritus Santa Barbara City College, Santa Barbara, California

Respected teacher and author of automotive technology textbooks with Cengage Learning

Tim Gilles is the author of several textbooks with Cengage Learning.

Downloads from this site are available to classroom teachers at no cost. If you would like to download them, e-mail [email protected] for a login and password.

Instructors can download supplemental materials for my textbooks at the Cengage website:


blower and intercooler cutaway

Downloadable files from Cengage include:

  • Image galleries by chapter. You can use these to customize PowerPoint presentations to fit your needs
  • End of chapter review questions and test questions in Word, Angel LMS, Blackboard LMS, Canvas, Desire2Learn, and Moodle
  • Downloadable instructor manual including answer keys to text questions, sample lab tasks and tests, lesson plans, and answers to lab manual activity sheets
  • Downloadable test banks in several formats, including Word, Angel, Blackboard, Canvas, Desire2Learn, and Moodle
  • A set of grids, in Excel format that correlates the NATEF MLR, AST, MAST, and required supplemental task lists to the sixth edition of Automotive Service
  • A crossover correlation guide is an Excel grid that summarizes changes in the sixth edition and correlates all content to ease the transition from the fifth edition
6E-Auto-Service-Cover (1)

This is the most technically accurate, up-to-date, student friendly, easy to understand comprehensive automotive textbook available in the marketplace.

Engines 8e Front cover2

Updated to reflect current trends and industry concerns, the eighth edition of Automotive Engines aids readers as they develop the technical expertise and critical thinking skills needed to effectively diagnose and troubleshoot worn and failed parts.

Lab Manual Cover-6E

This two-part Lab Manual covers ASE Education Foundation Maintenance and Light Repair (MRL) tasks.
Section One: Activity Sheets use fill-in and matching answers to reinforce theory, vocabulary, and system concepts found in a textbook.
Section Two: Lab Worksheets are generic and provide self-guided shop activities for beginning and advanced students. Students are able to complete their lab tasks with minimum instructor input.

Water pump cutaways
Turbo cutaway
Wheel balancer

About Tim Gilles

Tim was a teacher at the high school and college level for thirty eight years and has been a writer for over 35 years. He is the author of several textbooks with Cengage Learning. This web site is a source of many photographs and teaching aids to accompany his texts.

Tim is a past-president and long-time board member of the California Automotive Teachers Association. He has been a member of the North American Council of Automotive Teachers since the early 1980s. He has served on the NACAT Board of Directors and was chair of the election committee for many years.

Tim has a Master's Degree in Occupational Education, a Bachelor’s Degree in Industrial Arts, and a Community College Life Teaching Credential, with four years of industry work experience prior to his teaching career. He was an ASE Certified Master Automotive Technician and ASE Certified Master Engine Machinist.