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How do you replace the glow plugs in the Audi A4 B7 2.0 TDI?

Model: Audi A4 B7 - Years 2004-2008
Part: Glow plugs

The glow plugs are used to bring the engine to temperature and create the optimal conditions for starting the aforementioned engine. Here is a comprehensive video tutorial, useful for those who decide to perform the work themselves and not go to a workshop. Let's get a suitable size swivel key and proceed: Open the engine hood, disconnect the coil boot from the power plug of the glow plug in question and with the aforementioned swivel key we unscrew and pull out the glow plug from its seat, repeating the process with each of them. We will immediately notice if they need to be replaced, as they will have oxidation along their entire structure.

Posted on 22 July 2025 by ScegliAuto

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