Leon Mk2
| Components of the injection system: removing and installing |
| 1 - | Suction of hot air |
| q | Towards the hot air pick-up plate in the exhaust manifold |
| 2 - | Towards the oil separator |
| 3 - | Air filter |
| q | Remove → Fig. |
| q | Disassembly and assembly → Chapter |
| 4 - | Bolt |
Note!| t | A mechanical screwdriver can be used for loosening or tightening the bolts in the following conditions: |
| t | Maximum screwdriver revolutions: 200 rpm |
| t | Maximum tightening torque of 3 Nm |
| 5 - | Connector |
| q | 4 poles |
| q | For Intake manifold pressure transmitter -G71- with intake air temperature transmitter -G42- |
| 6 - | Connector |
| q | 8 poles |
| q | For butterfly valve control unit -J338- |
| 7 - | Cable guide |
| q | Situted on the fuel distributor, fixed with clips |
| 8 - | 10 Nm |
| 9 - | Fuel distributor with injectors |
| q | Disassembly and assembly → Chapter |
| 10 - | Earth cable |
| q | For butterfly valve control unit |
| 11 - | Vacuum pipe |
| 12 - | Towards the brake servo |
| 13 - | Return hose |
| q | Fix the strip clamps on to the fuel distributor |
| q | Blue or blue mark |
| 14 - | 20 ± 1 Nm |
| q | Tighten the bolts starting with the inside ones and then the outside ones |
| q | Respect the tightening torque strictly, otherwise the bushings of the intake manifold will enter into the cylinder head. |
| 15 - | Intake manifold |
| q | Disassembly and assembly → Chapter |
| 16 - | O-ring |
| q | Renew |
| 17 - | Thermostat housing |
| 18 - | O-ring |
| q | Renew if deteriorated |
| 19 - | Coolant temperature transmitter -G62- |
| q | With transmitter to indicate coolant temperature -G2- |
| q | Identification: yellow ring |
| q | Before removing it, reduce the cooling system pressure when necessary |
| 20 - | Connector |
| 21 - | Staple |
| 22 - | Lambda probe -G39-, 55 Nm |
| q | Location: in the front exhaust pipe |
| q | Grease only the thread with “G5”. “G5” should not reach the grooves of the probe body. |
| 23 - | 4-pole connector |
| q | For lambda probe and lambda probe heating |
| q | Fixed on the rear support of the engine, at the right looking in the direction of travel |
| 24 - | Towards the fuel tank |
| 25 - | Securing plate |
| 26 - | Connector |
| q | Remove or plug in the connector with the ignition turned off |
| 27 - | 10 Nm |
| 28 - | Engine control unit |
| q | Control unit for injection and ignition system 1AV -J382- |
| q | For injection system, lambda control, electrovalve for activated carbon tank, pinking control, speed limitation, ignition, as well as self-diagnosis |
| q | Location: in the water box, at the left |
| q | Renew → Chapter |
| 29 - | Supply hose |
| q | Fix the strip clamps on to the fuel distributor |
| q | Black or white mark |
| 30 - | Towards electrovalve 1 for activated carbon tank -N80- |
| q | Activated carbon tank system → Item |
