With Manufacturer's Scan Tool

Glow plugs, checking
Special tools, testers and auxiliary items required





- Jointed wrench 3220





- Adapter set V.A.G. 1594A
- Diode test lamp V.A.G. 1527

Requirements
- Glow plug strip fuse in battery fuse holder OK
- Battery voltage must be at least 11.5 V.
- All electrical consumers, e.g. lights and rear window defogger, must be switched off.

Work sequence





- Disconnect glow plug connector.
- Connect diode test lamp wire using clips from auxiliary cable set to battery positive (+).
- Place diode test lamp test probe on each glow plug one after another. Diode lights up- glow plug OK; diode does not light up- Replace glow plug.
- Remove and install glow plugs with jointed wrench 3220. Tightening torque- 15 Nm