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How to Change the Glow Plugs in Your Car

Model: Volkswagen Jetta MK 5, A5 - Years 2005-2010
Part: Glow plugs

Glow plugs prevent the emission of dense and polluting smoke when the car is in motion. When they wear out, they need to be replaced. The following guide shows how to change them. Thanks to their mechanism and low consumption, they provide excellent performance with significantly lower pollution levels. To replace them, you will need a socket spanner. The disassembly process is straightforward, although it requires patience and should be approached calmly, ensuring there is not too much rust. Before proceeding, use a penetrating fluid and let it sit for at least a couple of hours.

Updated on 20 February 2026 by ScegliAuto

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