Leon Mk1
| Servicing parts of exhaust gas recirculation system |
| Only engine code AUC |
| 1 - | Intake manifold |
| 2 - | Oil seal |
| q | Renew if damaged |
| 3 - | Connecting pipe |
| 4 - | Self-tapping bolt, 8 Nm |
| q | max. rotational speed if using power tools: 350 rpm |
| 5 - | EGR valve -N18-*/** with potentiometer for exhaust gas recirculation -G212-* |
| q | Check EGR valve -N18-: → Vehicle diagnosis, testing and information system VAS 5051 |
| q | If the valve has been renewed, an adaption must be performed via measured value block 74. |
| q | Check potentiometer for exhaust gas recirculation -G212- → Chapter |
| 6 - | 10 Nm |
| 7 - | 8 Nm |
| 8 - | Gasket |
| q | Renew |
| 9 - | Breather pipe |
| 10 - | Connection to intake manifold |
| 11 - | Cylinder head |
| 12 - | 6-pin connector |
