Haynes Owner's Workshop Manuals (commonly known as Haynes Manuals) is a series of manuals from the British publisher Haynes Publishing Group. The series focuses primarily on the maintenance and repair of automotive vehicles and covers a range of makes and models, with manuals for over 600 models of car and 225 models of motorcycle.[1]
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The manuals are aimed at DIY enthusiasts rather than professional mechanics. Latterly the series was expanded to include a range of parody practical lifestyle manuals in the same style for a range of topics, including domestic appliances, personal computers, digital cameras, model railways, sport, animal care, men,[2] babies,[3] sexual intercourse,[4] and women.[5] Haynes also published the humorous Bluffer's Guides.[6]
Additionally, Haynes has released parody manuals based on popular fictional series, including Star Trek[7] and Thomas and Friends.[8]
Haynes manuals up to 2020 are available as printed books, but newer ones are only available online.
Haynes announced in December 2020 that it would not print any new repair manuals; all new repair content would be online only. Existing printed manuals continue to be available.[16]
The automotive vehicle manuals are created by disassembling and reassembling a vehicle. The cover of each manual specifies: "based on a complete strip-down and rebuild".[17] Each section has step-by-step instructions with diagrams and photographs of an actual strip-down or rebuild.[citation needed]
Manuals for garage professionals include books such as the Automotive Diesel Engine Service Guide, the Automotive Air Conditioning Tech-Book, Citroën and Peugeot Engine Management Systems, and two Engine Management and Fuel Injection Systems Pin Tables and Wiring Diagrams Tech-Book volumes.[citation needed]
Haynes manuals are published in 15 languages: English (including British, American and Australian dialects), French, Swedish, Chinese, Japanese, German, Czech, Finnish, Polish, Bulgarian, Hebrew, Greek, Danish, Spanish (including American Spanish dialects), and Russian.[citation needed]
Each Haynes manual is written by a pair of authors over 20 to 30 weeks.[19] The car or motorcycle of interest is bought at the beginning of the project and sold at the end.[20]
Although the workshop phase of the project usually lasts only four weeks,[19] the vehicle is retained and tested for several months to ensure it is functioning correctly.[20]
Haynes generally receives the cooperation of vehicle manufacturers in providing technical information, including mechanical tolerances and wiring diagrams. According to Haynes, this information empowers customers to fix their vehicles to the best of their ability, or at least diagnose the issue before taking it to a mechanic.[21]
"About Haynes". Haynes Manuals. 4 May 2016. Retrieved 12 November 2023. "FAQs". Haynes Manuals. 10 July 2020. "Car List". Haynes Motor Museum. 4 July 2018. Retrieved 15 December 2021.