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The risk of using non-original parts for the timing belt replacement on an Opel 1.6 CDTi.

Model: Vauxhall Opel Various
Part: Timing belt

In this video, we can hear the whining whistle of an Opel 1.6 CDTi (but also on the twin engines from Peugeot, Citroen, and Fiat) when the timing chain is replaced with non-original kits. This occurs due to the lower tolerances of aftermarket parts, which are often made from cheaper materials, causing this whining noise; the pulleys may not be perfectly identical to the original, leading to abnormal vibrations, and the guides may not have the same rigidity as the originals, wearing out more quickly. The advice, in addition to using original spare parts, is to avoid unknown brands: certainly, a "SKF" will not cause problems. Let's avoid doing this complicated and delicate job ourselves: let's rely on a good mechanic.

Posted on 9 January 2026 by ScegliAuto

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