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TL;DR: Here are 10 essential websites every mechanic should bookmark in 2025, from Valvoline’s technical resources to YouTube’s Engineering Explained channel. Includes diagnostic tools, parts suppliers, training platforms, and repair guides.

Hey everyone! I came across a great article from Valvoline about useful websites for mechanics and wanted to share an updated version for 2025. Whether you’re a pro tech, aspiring mechanic, or weekend warrior working on your own ride, these sites are worth bookmarking.

1. Valvoline Global – (https://www.valvolineglobal.com)
Detailed specs for lubricants, oils, greases, and fluids with regularly updated tutorials, technical guides, videos, and industry news to keep you current with the latest automotive standards.

2. Lubricant Advisor – [https://www.valvolineglobal.com/lubricant-advisor](https://www.valvolineglobal.com/lubricant-advisor)
Valvoline’s tool that lets you search by vehicle make/model/year to get tailored recommendations for oils, transmission fluids, differential fluids, and coolants. Shows multiple options ranked by suitability so you can choose based on your needs and budget.

3. Car Complaints – [https://www.carcomplaints.com](https://www.carcomplaints.com)
User-submitted database of vehicle defects organized by make, model, and component with easy-to-read graphs. Great for troubleshooting tough issues or researching reliability before buying a car.

4. IMI (Institute of the Motor Industry) – [https://www.theimi.org.uk](https://www.theimi.org.uk)
Professional training and certification through their TIDE platform. Covers everything from basic maintenance to advanced diagnostics and EV technology with industry-recognized credentials across Europe.

5. Mechanic Base – [https://mechanicbase.com](https://mechanicbase.com)
Comprehensive repair guides, how-to articles, and unbiased product reviews with step-by-step instructions, illustrations, and videos that make complex procedures accessible.

6. Tomorrow’s Technician – [https://www.tomorrowstechnician.com](https://www.tomorrowstechnician.com)
Focuses on emerging tech like EVs, advanced diagnostics, and industry innovations. Features case studies and interviews with pros to help you understand where the industry is headed.

7. AutoDoc – [https://www.autodoc.co.uk](https://www.autodoc.co.uk)
European parts supplier with 2.5+ million products. Easy searching by vehicle specs or part numbers, competitive pricing, and Europe-wide shipping.

8. ToolStation – [https://www.toolstation.com](https://www.toolstation.com)
Leading European tool supplier with everything from basic hand tools to advanced diagnostic equipment. Available in stores and online with a huge inventory.

9. Autobutler – [https://www.autobutler.co.uk](https://www.autobutler.co.uk)
Platform connecting vehicle owners with vetted garages across Europe. Useful for mechanics to benchmark pricing against competitors and increase visibility to customers.

10. YouTube – Engineering Explained – [https://www.youtube.com/@EngineeringExplained](https://www.youtube.com/@EngineeringExplained)
Mechanical engineer Jason Fenske breaks down complex automotive concepts into easy-to-understand videos. Covers everything from basic principles to cutting-edge tech, completely free with an active community.

The Bottom Line
These resources give you instant access to technical knowledge, specs, troubleshooting databases, and professional development. Whether you’re diagnosing a tough problem, researching new tech, or just starting out, these platforms have your back.
Source: Adapted from Valvoline Global’s article “The Best Websites for Mechanics in 2024” – https://www.valvolineglobal.com/en-eur/the-best-websites-for-mechanics-in-2024/