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Instructions for Replacing Glow Plugs

Model: Renault Clio MK 2, Clio 2 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Glow plugs

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Video tutorial

The function of glow plugs is to preheat the combustion chamber and ensure ideal thermodynamic conditions for diesel combustion, facilitating cold starting; they are located near the injectors. Disconnect the leads and unscrew the glow plugs; using a multimeter, check the continuity of the glow plug resistance and assess how many are damaged.

In any case, it may be advisable to replace all four given the reasonable cost (if one is already damaged, the others will fail soon). Screw in the new glow plugs and reconnect the leads.


Updated on 12 February 2026 by ScegliAuto


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