Does the vauxhall astra 1.6 ctdi have a cam belt or chain?

The Vauxhall Astra 1.6 CDTi typically uses a timing belt rather than a chain. It's important to check the specific model year and engine variant, as some engines may have different specifications. Regular maintenance, including timing belt replacement at the manufacturer-recommended intervals, is crucial to avoid potential engine damage. Always refer to the owner's manual for the most accurate information.