Polo Mk3
| Repairing fuel filter |
| 1 - | Return line |
| q | From injection pump |
| 2 - | Supply line |
| q | To injection pump |
| 3 - | O-ring |
| q | Renew |
| 4 - | Regulating valve |
| q | Installation position: arrow points towards fuel tank |
| q | When changing filter, remove securing clip and take control valve off complete with fuel lines |
| q | Below + 15 °C: passageway to filter open |
| q | Over 31 °C: passageway to filter closed |
| 5 - | Retaining clip |
| 6 - | Return line |
| q | To fuel tank |
| 7 - | Supply line |
| q | From fuel tank |
| 8 - | Fuel filter |
| q | Fill with diesel fuel before installing |
| q | Flow direction is marked by arrows |
| q | Do not interchange connections |
| q | Renew if damaged. |
| 9 - | Gasket |
| q | Renew if damaged. |
| 10 - | Drain plug |
| q | To bleed remove control valve securing clip and take control valve off complete with fuel lines |
| q | Loosen and allow approx. 100 cm3 fluid to drain |
