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The Haynes Owner's Workshop Manuals (commonly known as simply Haynes Manuals) are a series of practical manuals from the British company Haynes Publishing Group (LSE: HYNS) aimed at DIY enthusiasts not really for professional garage mechanics because the manuals lack the depth of coverage on particular vehicles or problems. The series primarily focuses upon the maintenance and repair of automotive vehicles, covering a wide range of makes and models (300 models of car and 130 models of motorcycle), but it also includes manuals in the same style for domestic appliances and personal computers, digital photography, model railways, men and babies, sex, and women. The last four were made slightly tongue in cheek, but have proved very popular.
The Haynes manuals are named after John Harold Haynes. In 1956, when he was at school, he wrote and published a book on building a 'special' based on the Austin 7, and wrote two further books while performing national service in the Royal Air Force. J. H. Haynes & Co. Limited was founded on 18 May 1960 and the first manual actually entitled "Haynes Owners Workshop Manual", for the Austin-Healey Sprite, was published in 1965. Haynes was made an Officer of Order of the British Empire in the Queen's Birthday Honours List 1995 for services to publishing.
Many Haynes Manuals bear a cover illustration of a cutaway view technical drawing of the vehicle, hand-drawn by Terry Davey, and they bear his signature.
Stripdown and rebuild
The automotive vehicle manuals are based upon taking apart and putting together a vehicle. The cover of each manual states: "based on a complete stripdown and rebuild". Each section has step-by-step instructions with diagrams and photographs of an actual stripdown or rebuild.
Manuals for garage professionals include books such as the Automotive Diesel Engine Service Guide, the Automotive Air Conditioning TechBook, Citroën and Peugeot Engine Management Systems, and two Engine Management and Fuel Injection Systems Pin Tables and Wiring Diagrams TechBook volumes.
Haynes manuals are published in 15 languages: English (including British, American and Australian variants), French, Swedish, Chinese, Japanese, German, Czech, Finnish, Polish, Bulgarian, Hebrew, Greek, Danish, Spanish (including American Spanish versions), and Russian.
The company is based in Sparkford, a village near Yeovil in Somerset, England. The Haynes International Motor Museum, the largest motor museum in the UK, is also in Sparkford and it is home to a large collection of both classic and modern cars, and many rarities.
Haynes manuals are written by a pair of authors, and take between 20 and 30 man-weeks. A car or motorcycle is bought at the beginning of the project and sold at the end. Although the workshop phase of the project usually lasts for roughly four weeks, the vehicle is usually retained for a couple of months to ensure it is functioning correctly.
Haynes generally has the co-operation of the manufacturers to provide technical information such as mechanical tolerances and wiring diagrams. This may seem against their own interests since servicing can cost 40% of the cost of the vehicle over its lifetime, but manufacturers get loyalty by providing customers with information that lets them fix their vehicle, to their ability, or at least diagnose the fault before taking it to a garage. Over the lifetime of a vehicle, the aftermarket is worth perhaps as much as the new cost price of the vehicle, so the manufacturer still gets a significant revenue from the spare parts, and the longer a vehicle lasts, the more so.
- "The Enlarged Prostate". Men's Health Forum in association with Haynes.
- "Car-style baby manual for macho dads". BBC News. 2003-06-12.
- "Car manual firm's guide to sex". BBC News. 2003-08-05.
- "Women given car manual treatment". BBC News. 2004-09-26.
- "Cover & Details For Haynes USS Enterprise Manual + Details On 'Typhon Pact' Book Series".
- Llewellin, Phil (20 November 1993). "Every car mechanic's favourite publisher: John Haynes has made a fortune from workshop manuals, and he has spent it on old cars". The Independent. Retrieved 12 April 2009.
- "Haynes Publishing Group Public Limited Company". Companies House. Retrieved 29 September 2016.
- "No. 54066". The London Gazette (Supplement). 17 June 1995. p. 11.
- UBM Sells Second Property This Week
- "Auto Repair Manuals Explained". Retrieved 19 May 2017.
- "How long does it take to produce a Haynes manual?". Haynes Online. Retrieved 2008-01-30.
- "What happens to vehicles after they have been stripped down and rebuilt?". Haynes Online. Retrieved 2008-01-30.
- "Servicing ties removed from new car warranties". London: Office of Fair Trading. 14 May 2004. Retrieved 2009-03-25.