Audi Workshop Service and Repair Manuals > A4 Cabriolet Mk2 > Power unit | 4-cylinder TDI injection and glow plug system (1.9 ltr.; 2.0 ltr. unit injector, 2 valve) | Ignition system, glow plug system | Glow plug system

Removing and installing metal glow plugs

Special tools and workshop equipment required

t	U/J extension and socket, 10 mm -3220-

Removing

–	Unclip cover caps.

–	Unscrew nuts -arrows- and detach engine cover panel. Also pull out dipstick if necessary.

–	Remove insulation beneath cover panel (if fitted).

–	Unplug electrical connector -2-.

–	Loosen bolt -3-.

–	Pull fuel filter upwards out of bracket and lay it aside with fuel hoses connected.

–	Detach electrical connectors at glow plugs.

–	Unscrew glow plugs using U/J extension and socket, 10 mm -3220-.

Installing

Install in reverse order.

Tightening torque

Component	Nm
Metal glow plug in cylinder head	15

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