Does the Mazda 6 have a timing belt or chain?

Laura Berry

Senior Journalist

2 min read

Does the Mazda6 have a timing belt or a timing chain and does it really matter?  The current Mazda6 has a timing chain and yes, it certainly matters. Got two minutes? Let me explain.

First up, the current Mazda6 has a choice of two engines: a 2.5-litre four-cylinder petrol engine and a 2.5-litre four-cylinder turbo-petrol. Both use a chain and so does the 2.2-litre four-cylinder diesel which used to be offered on this model.

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Now, a timing chain or belt has the important job in an engine of connecting the crankshaft to the camshaft(s) and controls the opening and closing of the valves which let the air-fuel mixture into the cylinder and the exhaust gas out.

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Timing chains have been used in engines longer than belts, and they're considered to be better because of their strength and durability. Rubber belts are cheaper than chains to make, but they stretch and deteriorate over time, and need to be replaced.

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In the case of the latest Mazda6 the chain is designed to be used for the lifetime of the engine – there is no periodic maintenance or replacement needed.

So, there you have it: the Mazda6 has a timing chain and that’s something to be pleased about.

Have you had a bad experience with a timing chain or belt? Tell us what you think in the comments below.

Laura Berry

Senior Journalist

Laura Berry is a best-selling Australian author and journalist who has been reviewing cars for more than 15 years. Much more of a Hot Wheels girl than a Matchbox one, she grew up in a family that would spend every Friday night sitting on a hill at the Speedway watching sprint cars slide in the mud. The best part of this was being given money to buy stickers. She loved stickers… which then turned into a love of tattoos. Out of boredom, she learnt to drive at 14 on her parents’ bush property in what can only be described as a heavily modified Toyota LandCruiser.   At the age of 17 she was told she couldn’t have a V8 Holden ute by her mother, which led to Laura and her father laying in the driveway for three months building a six-cylinder ute with more horsepower than a V8.   Since then she’s only ever owned V8s, with a Ford Falcon XW and a Holden Monaro CV8 part of her collection over the years. Laura began her career as a journalist in the entertainment industry writing about music for The South China Morning Post; television for tvChoice; fashion and celebrities for The Mirror before combining her passion for cars with her profession and moved into motoring. In 2008 she joined News Custom Publishing as Managing Editor of its motoring titles, including Australia’s Best Cars and the official programs for V8 Supercars, Formula 1 Australian Grand Prix and Australian Motorcycle Grand Prix. In 2011 she joined CarsGuide (for the first time), back when it was part of a newspaper, and learnt to test and review cars. This followed a move to Motor as Production Editor, then Wheels as News Editor while also writing for Street Machine and Top Gear Australia. As the media landscape shifted she left print journalism and joined online motoring publication GoAuto as a senior writer. A brief stint in automotive public relations then followed before she joined CarsGuide in 2015 (for the second time) as Senior Journalist where she remains to this day. A wife and mother, and author of two books, her current daily driver is a chopped 1951 Ford Tudor with a V8, of course. You can find Laura on LinkedIn, TikTok and Instagram. Expertise Performance and custom cars Family cars and SUVs Education Bachelor of Arts | Macquarie University Featured Publications The Mirror (UK) | 2002-2006 South China Morning Post | 2004-2006 tvChoice (UK) | 2004-2006 TVQuick (UK) | 2004-2006 Mercedes-Benz Magazine | 2005-2006 Australia’s Best Cars | 2008-2010 V8 Supercars Official Program | 2008-2010 Formula 1 Australian Grand Prix Official Program | 2008-2010 Australian MotoGP Official Program | 2008-2010 Motor | 2012-2013 Street Machine | 2012-2015 Wheels | 2013 Top Gear | 2013-2014 GoAuto | 2014-2015 CarsGuide | 2015-present
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