Leon Mk1
| Assembly overview - fuel system |
| 1 - | Air filter |
| q | Removing and installing → Chapter. |
| 2 - | Lambda probe -G39- |
| q | 50 Nm |
| q | Grease only the threads with „G 052 112 A3“ The „G 052 112 A3“ must not get into the slots on the probe body. |
| q | Removing and installing → Chapter. |
| 3 - | Engine control unit -J623- |
| q | Removing and installing → Chapter. |
| If the engine control unit -J623- needs to be renewed, connect → Vehicle diagnostic tester and perform „Guided functions, Renewing engine control unit“. |
| q | If renewed, adapt engine control unit -J623- to electronic immobiliser → Vehicle diagnostic tester„Guided functions“. |
| 4 - | Bolt. |
| q | 8 Nm |
| q | For engine speed sender -G28-. |
| 5 - | Coolant temperature sender -G62- |
| q | Removing and installing → Chapter. |
| q | Before removing, release pressure in cooling system if necessary. |
| 6 - | Lambda after catalytic converter -G130-, 50 Nm |
| q | Grease only the threads with „G 052 112 A3“ The „G 052 112 A3“ must not get into the slots on the probe body. |
| q | Remove and install with → Chapter. |
| 7 - | Bolt. |
| q | For knock sensor |
| q | 20 Nm |
| 8 - | Knock sensor |
| q | Removing and installing → Chapter. |
| 9 - | Bolt. |
| q | 20 Nm |
| 10 - | Intake manifold |
| q | Removing and installing → Chapter. |
| 11 - | Bolt. |
| q | 8 Nm |
| q | Quantity 5 units |
| 12 - | Fuel rail with injectors: |
| q | Injector, cylinder 1 -N30- |
| q | Injector, cylinder 2 -N31- |
| q | Injector, cylinder 3 -N32- |
| q | Removing and installing → Chapter. |
| 13 - | Bolt. |
| q | 7 Nm |
