Best online resources to learn automotive mechanics

Discover the top online platforms and courses to master automotive mechanics from home. Explore ASE-certified training options, video tutorials, and diagnostic resources to become an expert. Whether you're pursuing a professional career or aiming for DIY repairs, these resources offer comprehensive training in engines, transmissions, electrical systems, and bodywork. Learn at your own pace with high-quality educational materials and 24/7 access.

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  1. 1

    Alison – Diploma in Automotive Systems Training (2025)

    275 Global Votes
    • Offers free courses

      (+4)

    This free online diploma provides a deeper, more academic understanding of vehicle systems, with content updated as of 2025. It offers a structured learning path for those seeking a comprehensive theoretical foundation in automotive mechanics.

  2. 2

    Udemy - Car Repair and Electrician Training Certificated: CRET2023+ (2025)

    6 Global Votes
    • Learn car repair from beginner to professional level

      (+4)

    This Udemy course offers a practical, beginner-friendly overview of automotive drivetrain and mechanics, with recent updates. It's an excellent resource for those aspiring to enter the automotive repair industry and gain fundamental knowledge.

  3. 3

    AVI OnDemand

    1 Global Votes
    • Offers over 1,200 hours of online courses

      (+4)

    AVI OnDemand is an accredited ASE training provider, offering extensive expert training for automotive professionals. It covers a wide range of topics, including emerging technologies like Hybrid/Electric and ADAS, making it a crucial resource for staying current in the field.

  4. 4

    ALLDATAdiy

    1 Global Votes
    • Provides original factory repair information

      (+4)

    ALLDATAdiy provides factory-direct repair information for over 30,000 vehicles, offering the same online tools used by professional technicians. This makes it an invaluable resource for accurate and comprehensive vehicle-specific repair information for DIYers and student mechanics.

  5. 5

    Ratchets and Wrenches (YouTube Channel)

    1 Global Votes
    • Provides detailing and re-finishing work tutorials

      (+4)

    This YouTube channel offers an extensive catalog of how-to videos for DIYers, covering step-by-step repair and engine performance diagnostics. The host makes automotive repair easy to understand, and new videos are regularly added, keeping the content current.

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  7. 6

    Autodata Training

    0 Global Votes
    • Leading provider of online technical training

      (+4)

    Autodata Training is a leading industry provider of video-based technical training, trusted worldwide for its continuously updated content. It offers professional certificates and covers modern topics like mild hybrid powertrains, making it highly relevant for current automotive mechanics.

  8. 7

    DENSO Technic E-Learning

    0 Global Votes
    • Free registration for e-learning program

      (+4)

    This free online e-learning program from a major OEM supplier provides in-depth technical knowledge on specific components and systems. It's highly relevant for understanding modern vehicle systems and offers official certificates upon successful course completion.

  9. 8

    Wells Vehicle Electronics (YouTube Channel)

    0 Global Votes
    • Offers professional-grade vehicle electronics and engine information

      (+4)

    This channel focuses on understanding, diagnosing, and repairing complex automotive systems, with valuable insights directly from an automotive parts manufacturer. Its playlists on TPMS, hybrid, and lab scope training are highly relevant for modern vehicle electronics.