Leon Mk1
| General diagram of the exhaust gas turbocharger supercharger air system (engine code BYT) |
| 1 - | Charge air cooler |
| 2 - | Throttle valve control mechanism -J338- |
| 3 - | To activated charcoal filter. |
| 4 - | Activated charcoal filter solenoid valve 1 -N80- |
| 5 - | Pressure limiting valve |
| 6 - | Pressure capsule for supercharger pressure regulation |
| 7 - | Charge pressure control solenoid valve -N75- |
| 8 - | Turbocharger air recirculation valve -N249- |
| 9 - | Turbocharger |
| 10 - | Brake servo unit |
| 11 - | Retaining valve |
| 12 - | Manual vacuum pump |
| 13 - | Air mass meter -G70- |
| 14 - | Air filter |
| 15 - | Vacuum unit for intake manifold changeover function |
| 16 - | Variable intake manifold change-over valve -N156- |
| 17 - | Pressure limiting valve |
| q | For crankcase ventilation. |
| 18 - | Retaining valve |
