Haynes How-To: change a car battery


All cars have batteries. The ones in petrol and diesel cars are used to run the 12V electrical system (lights, stereo, heating, etc.) and...
Coronavirus: people are learning to fix their own cars during lockdown

Surge in sales of Haynes manuals as drivers DIY


Haynes has revealed to driving.co.uk that it has seen a week-on-week sales uplift of 54%, partially because of the coronavirus lockdown.
Haynes Manual mastermind John Haynes OBE has died

Haynes Manual creator John Haynes has died


John Haynes OBE, the creator of the eponymous Haynes Manual workshop guides, has died at the age of 80.
Haynes how to change a spark plug guide

Haynes How-To: change a spark plug


Spark plugs are used in petrol engines as a source of ignition. An electrical spark ignites the fuel, which forces the piston along the cylinder.
How to check and change engine coolant

Haynes How-To: check and change engine coolant


Coolant is an engine’s lifeblood. It keeps it at the correct operating temperature, helping it to warm up quickly in cold weather and not get too
Haynes How-To: change a headlight bulb

Haynes How-To: change a headlight bulb


Without a full set of functioning headlight bulbs you’re making night-time driving more difficult for yourself and aren’t making yourself as...
Haynes OnDemand reader offer: motoring maintenance videos exclusive discount

Haynes OnDemand reader offer


Access new motoring maintenance videos from Haynes from just 99p
Products: Build Your Own V8 Engine kit from Haynes review

Products: Build Your Own V8 Engine kit from Haynes


If you have a son or daughter who is interested in tinkering with engines, don't let them loose under the bonnet of your Ford Mondeo this Christmas...