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Q:

Time Belt/Chain Replacement? on 2010 Mazda CX-7

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I have the 2.5 Liter engine. Does the engine have a timing belt or chain? How often is the recommended replacement and how difficult? I've heard it takes "special tools."
(1) Answer
The 2.6L engine has a timing chain. You shouldn't ever have to replace it, it's not considered regular maintenance like a timing belt. You wouldn't want to do the job anyway, it's involved and there are many special tools used.