A4 Mk1
| Exhaust gas recirculation system - exploded view of components |
| 1 - | Gasket |
| q | Renew |
| 2 - | Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212- |
| q | Removing and installing → Chapter |
| q | Adapt to engine control unit after renewing → Vehicle diagnosis, testing and information system VAS 5051 |
| q | Checking adaption of zero position → Chapter |
| q | Checking (electrical test) → Chapter |
| 3 - | Breather hose |
| q | Leading to air intake hose |
| 4 - | Electrical connector |
| 5 - | Connecting flange |
| 6 - | 22 Nm |
| 7 - | Threaded connection, 35 Nm |
| 8 - | Union nut, 30 Nm |
| 9 - | Connecting pipe for exhaust gas recirculation |
| 10 - | 10 Nm |
| 11 - | Throttle valve module -J338- |
| 12 - | 10 Nm |
| 13 - | Connection |
| q | For combination valve for secondary air and exhaust gas recirculation valve -N18- |
| 14 - | Exhaust manifold |
| 15 - | Threaded connection, 35 Nm |
| 16 - | Union nut, 30 Nm |
| 17 - | 10 Nm |
