Leon Mk2
| Fuel rail (Common Rail): Assembly overview |
| 1 - | Radial play equalisation |
| q | If this is damaged, replace it |
| 2 - | Injector |
| q | Always replace the Teflon oil seal. |
| q | Renew O-rings. |
| q | Ensure that the fitting position is correct |
| q | removing and fitting → Chapter |
| 3 - | Support ring |
| 4 - | Fuel rail (common channel) |
| q | removing and fitting → Chapter |
| 5 - | Fuel pressure sender -G247- |
| q | 22 Nm |
| 6 - | Fuel pressure sender, low pressure -G410- |
| q | 15 Nm |
| 7 - | Fuel pressure regulating valve -N276- |
| 8 - | Single piston high pressure pump |
| q | With fuel pressure regulating valve -N276- and fuel pressure sender, low pressure -G410- |
| q | In the fuel tank there is an electric fuel pump which sends fuel with a pressure of around 6 bar to the high pressure pump. |
| q | When installing the high-pressure fuel pump, it is essential to ensure that no dirt particles enter the fuel system |
| q | The fuel system must not be under pressure when installing the high-pressure pump; procedure for reducing fuel pressure → Chapter |
| q | The fuel lines must be laid free of stress. |
| q | removing and fitting → Chapter |
| 9 - | Activated charcoal filter solenoid valve 1 -N80- |
| 10 - | Throttle valve module -J338-, throttle valve drive (electric throttle operation) -G186- |
| q | With angle sensor 1 for throttle valve drive with electrical accelerator actuation -G187- and angle sensor 2 for throttle valve drive with electrical accelerator actuation -G188- |
| q | After replacing the throttle valve control unit -J338-, the engine control unit -J623- → Vehicle diagnostic, testing and information system VAS 5051 must be adjusted once more. |
| 11 - | Intake air temperature sender 2 -G299- |
| q | 5 Nm |
| 12 - | 9 Nm |
| 13 - | Intake manifold |
| q | removing and fitting → Chapter |
