A4 Mk3
| Activated charcoal filter system - exploded view |
| 1 - | Breather line |
| q | To activated charcoal filter solenoid valve 1 -N80- |
| q | Press release tab on pipe connector to disconnect |
| q | Clipped onto retainers on underbody |
| 2 - | O-ring |
| 3 - | Valve |
| 4 - | Breather line |
| q | From fuel tank |
| q | Press release tab on pipe connector to disconnect |
| 5 - | Vent pipe |
| q | Open to atmosphere at rear left of vehicle below wheel housing liner. |
| 6 - | Activated charcoal filter |
| q | Fitting location: rear left on underbody behind cover |
| q | Removing and installing → Chapter |
| 7 - | Bolt |
| q | 16 Nm |