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How to Remove the Glow Plugs from an Opel Astra 1.7?

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

Replacing the glow plugs on the Opel Astra 1.7 is a straightforward task. First, ensure the engine is completely cold for safety. Open the bonnet, then temporarily unscrew the oil filler cap and replace it after removing the plastic cover. Next, locate the four connectors in the central area of the engine, which are positioned horizontally. Now, disconnect these connectors and gently unscrew the glow plugs using the appropriate spanner, which can also be found online.

Updated on 22 August 2026 by ScegliAuto

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