Like all things mechanical, the serpentine belt tensioner and idler pulley on C5 engines will eventually wear, develop play, and require replacement. A slight squeaking noise coming from either the ...

YES, change the belt and tensioner because Holden recommends it after four years or 60,000km. The possible consequences of not changing it are too horrible to think about. You will be up for much more ...

Metal timing chains are widely used by most carmakers and engine manufacturers. But as demands for lower weights, costs, and noise continue, automotive engineers are turning to plastics for components ...

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