Golf Mk4
| Repairing parts of the active charcoal filter system |
| 1 - | Active charcoal filter |
| q | Location: on right in engine compartment. |
| q | Secured to body |
| q | With active charcoal filter solenoid valve 1 -N80-. |
| q | When engine is warm, valve will be activated (pulsed) by engine control unit. |
| 2 - | Pressure retention valve with connecting hose |
| q | Closes tank venting when active charcoal filter solenoid valve 1 -N80- is open and intake manifold vacuum is present. |
| 3 - | Connector |
| q | Black, 2-pin. |
| q | For active charcoal filter solenoid valve 1 -N80-. |
| 4 - | Breather line |
| q | Black. |
| q | Check for secure seating. |
| q | From gravity valve to fuel tank, Four-wheel drive → Item, Front wheel drive → Item. |
| 5 - | Connecting pipe |
| q | Turbocharged engines: with non-return valve. |
| 6 - | Throttle valve control module |
| 7 - | To intake hose |
| 8 - | 10 Nm |
