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Why do plastic/nylon timing belt pulleys need to be changed so often?

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When should I change the timing belt / chain in our Ford S-Max?

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I'd like to buy a new Skoda Octavia, but does the cam belt really need changing every four years?

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Should I idle my Mondeo 1/6 EcoBoost turbo even after short trips?

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Under what circumstances should I allow my Mondeo's turbocharger to cool as it spools down?

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Why did this workshop charge for an oil top-up before MoTing our Audi A4?

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Why does my local dealership insist that brake discs are replaced at the same time as brake pads?

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Does my Volvo V70 have a chain cam engine?

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