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How to Replace the Glow Plugs in the Opel Astra 1.7 CDTI?

Model: Vauxhall Astra Astra J - Years 2009-2016
Part: Glow plugs

As shown in this tutorial, replacing the glow plugs in the Opel Astra 1.7 CDTI is an extremely simple and quick operation. First, open the bonnet, then remove the plastic engine cover and locate the glow plugs: they are found at the rear of the engine, just behind the injectors. Once done, disconnect the respective power cables, clean any dirt around, and undo the first glow plug using a long 12mm socket. Finally, insert the replacement and tighten it without applying excessive force. Repeat the process for the remaining glow plugs.

Updated on 22 July 2026 by ScegliAuto

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