A3 Mk2
| Timing chain cover - exploded view of components |
| 1 - | 150 Nm + 180° (1/2 turn) further |
| q | Renew |
| q | Coat with oil before inserting |
| q | When loosening and tightening, lock pulley using counterhold -3415- |
| 2 - | Pulley |
| q | When loosening and tightening, lock pulley using counterhold -T10172- |
| q | Removing and installing poly V-belt → Chapter |
| 3 - | Timing chain cover |
| q | Removing and installing → Chapter |
| 4 - | 50 Nm |
| 5 - | O-ring |
| q | Renew |
| 6 - | Pressure control valve for crankcase breather system |
| 7 - | 10 Nm |
| 8 - | O-ring |
| q | Renew |
| 9 - | Cap |
| 10 - | Seal |
| q | Renew if damaged or leaking |
| 11 - | Filler cap |
| 12 - | O-rings |
| q | Available in different sizes |
| q | Renew |
| 13 - | 5 Nm |
| 14 - | Oil separator |
| 15 - | Pin, 6 Nm |
| q | For engine cover panel with air cleaner housing |
| 16 - | Gasket |
| q | Renew |
| 17 - | Seals |
| q | Fitted from rear into timing chain cover |
| q | Renew |
| 18 - | 10 Nm |
| q | Tighten in diagonal sequence |
| 19 - | O-ring |
| q | Inserted into bush → Item |
| q | Renew |
| 20 - | Bush |
| q | Installation position: side with collar faces engine |
| 21 - | Oil seal |
| q | Renew |
