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Haynes How-To: change a spark plug

Published 14 December 2017
By Sunday Times Driving
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
Published 10 November 2017
Haynes OnDemand reader offer: motoring maintenance videos exclusive discount

Haynes OnDemand reader offer

Access new motoring maintenance videos from Haynes from just 99p
Published 06 October 2017