Leon Mk2
| Servicing fuel filter |
| 1 - | Return pipe |
| q | Blue or blue markings |
| q | Check securely seated |
| q | From injection pump |
| 2 - | Supply pipe |
| q | Black |
| q | Check securely seated |
| q | To injection pump |
| 3 - | O-Ring |
| q | Renew |
| 4 - | Control valve |
| q | Installation position: arrow points towards fuel tank |
| q | When changing filter, remove securing clip and take control valve off complete with fuel pipes |
| q | Below + 15 °C: Passageway to filter open |
| q | Over + 31 °C: Passageway to filter closed |
| 5 - | Securing clip |
| q | Check seated securely |
| 6 - | Return pipe |
| q | Blue or blue markings |
| q | Check securely seated |
| q | To fuel tank |
| 7 - | Supply pipe |
| q | Black |
| q | Check securely seated |
| q | From fuel tank |
| 8 - | Fuel filter |
| q | Fill with diesel before installing |
| q | Flow direction is marked by an arrow |
| q | Do not interchange connections |
| 9 - | Gasket |
| q | Renew if damaged |
| 10 - | Water drain plug |
| q | To bleed remove securing clip and take control valve off complete with fuel pipes attached |
| q | Loosen and allow approx. 100 cm³ fluid to drain |
