A3 Mk1
| Exhaust gas recirculation system - exploded view of components |
| 1 - | 10 Nm |
| 2 - | Connecting flange |
| 3 - | 10 Nm |
| 4 - | Gasket |
| q | Renew |
| 5 - | Not fitted |
| 6 - | Air hose |
| q | From secondary air pump |
| 7 - | Combination valve for secondary air |
| q | Checking → Chapter |
| q | Removing and installing → Chapter |
| 8 - | 10 Nm |
| 9 - | Throttle valve module -J338- |
| 10 - | Gasket |
| q | Renew |
| 11 - | 10 Nm |
| 12 - | Connecting pipe for exhaust gas recirculation |
| 13 - | Breather pipe |
| q | To air cleaner housing |
| 14 - | Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212- |
| q | Adapt to engine control unit after renewing → Rep. Gr.24 |
| q | Checking adaption of zero position → Chapter |
| q | Checking (electrical test) → Chapter |
| 15 - | Union nut, 60 Nm |
| q | On connecting pipe for exhaust gas recirculation |
| 16 - | 23 Nm |
| 17 - | Gasket |
| q | Renew |
| 18 - | Connecting pipe |
| q | For secondary air |
| q | Tighten union nut to 25 Nm |
| 19 - | Connection, 35 Nm |
