Leon Mk1
| Fuel filter - Components overview |
| 1 - | Delivery line |
| q | From fuel tank |
| q | Check for secure seating. |
| q | White or with white marking. |
| 2 - | 5 Nm |
| 3 - | Plate |
| 4 - | Return pipe |
| q | To fuel tank |
| q | Check for secure seating. |
| q | Blue or with blue marking. |
| 5 - | Delivery line |
| q | To high pressure pump |
| q | White or with white marking. |
| q | Check for secure seating. |
| 6 - | Return pipe |
| q | From high-pressure pump. |
| q | Blue or with blue marking. |
| q | Check for secure seating. |
| 7 - | Upper part of fuel filter |
| q | Take into account → Chapter |
| 8 - | Filter insert |
| 9 - | Lower part of fuel filter |
| 10 - | 10 Nm |
| 11 - | Seal |
| q | Replace |
