Leon Mk1
| Fuel filter: repairing |
| 1 - | Return line |
| q | Towards the fuel radiator → Chapter |
| q | Blue or blue mark |
| q | Check for firm seating |
| 2 - | Supply line |
| q | Of the fuel tank → Item |
| q | White or white mark |
| q | Check for firm seating |
| 3 - | Fixing clip |
| 4 - | Control valve |
| q | Installation position: arrow points towards the fuel tank |
| q | To change the filter, remove the fixing clip and remove the control valve with the fuel lines connected |
| q | At less than +15 °C: Flow towards the filter, open |
| q | At more than +31 °C: Flow towards the filter, closed |
| 5 - | O-ring |
| q | Replace |
| 6 - | Return line |
| q | Of the tandem pump → Item |
| q | Blue or blue mark |
| q | Check for firm seating |
| 7 - | Fuel line |
| 8 - | Fuel temperature sender -G81- |
| q | Test → Chapter |
| 9 - | Retaining valve |
| q | Installation position: Arrow points towards the tandem pump |
| 10 - | Supply line |
| q | Towards the tandem pump → Item |
| q | White or white mark |
| q | Check for firm seating |
| 11 - | Fuel filter |
| q | Fill with diesel fuel before installing |
| q | The direction of flow is marked with arrows |
| q | Do not swap the connections |
| q | Replace if worn |
| 12 - | Gasket |
| q | Replace if worn |
| 13 - | Water purge bolt |
| q | To ventilate, remove the fixing clip of the control valve and remove the valve with the fuel lines connected |
| q | Loosen and allow about 100 cm³ of liquid to escape |
