A4 Cabriolet Mk2
| Oil retention valve and spray nozzle valve - exploded view of components |
Note| If irregular valve noise occurs repeatedly during short journeys and disappears after extended driving, the oil retention valves must be renewed. |
| 1 - | O-ring |
| q | Renew |
| 2 - | Oil retention valve |
| q | Removing and installing → Chapter |
| 3 - | Breather pipe |
| 4 - | 10 Nm |
| q | Install using locking fluid; for locking fluid refer to → Parts catalogue |
| 5 - | 10 Nm |
| 6 - | Hose |
| q | To pressure control valve for crankcase breather |
| 7 - | Cover |
| 8 - | Gasket |
| q | Renew |
| 9 - | Spray nozzle valve |
| q | Removing and installing → Chapter |
| 10 - | Oil retention valve |
| q | Removing and installing → Chapter |
| 11 - | O-rings |
| q | Renew |
