Leon Mk2
| Removing and installing parts of the injection system: Engine codes AEH, AKL |
| 1 - | Engine control unit |
| Control unit for Simos injection and ignition system -J361- |
| q | Location: In plenum chamber |
| q | Replacing → Chapter |
| 2 - | Connector, 28 pin |
| q | Only disconnect or connect with ignition switched off |
| q | Release to disconnect |
| 3 - | Connector, 52 pin |
| q | Only disconnect or connect with ignition switched off |
| q | Release to disconnect |
| 4 - | Intake hose |
| 5 - | To breather housing |
| 6 - | Air mass meter -G70- with intake air temperature sender -G42- |
| q | Sensor and connector contacts are gold-plated |
| 7 - | Air cleaner |
| q | Dismantling and assembling → Chapter |
| 8 - | 6 Nm |
| 9 - | 10 Nm |
| 10 - | Cable tie |
| q | For cable channel → Item |
| 11 - | 3 Nm |
| 12 - | Intake manifold - lower part |
| 13 - | Supply pipe/hose |
| q | Secure with spring-type clips |
| q | From fuel filter → Chapter |
| 14 - | Return pipe |
| q | Secure with spring-type clips |
| q | To the fuel delivery unit in fuel tank → Chapter |
| 15 - | Fuel rail |
| q | Dismantling and assembling → Chapter |
| 16 - | Connector |
| q | 3 pin |
| q | For Hall sender -G40- |
| 17 - | 15 Nm |
| 18 - | Connector |
| q | 4 pin |
| q | For coolant temperature sender -G62- |
| q | Contacts 1 and 3 gold-plated |
| 19 - | Coolant temperature sender -G62- |
| q | Blue |
| q | For engine control unit |
| q | With coolant temperature gauge sender -G2- |
| q | If necessary release pressure in cooling system before removing |
| 20 - | Retaining clip |
| q | Check seated securely |
| 21 - | O ring |
| q | Renew if damaged |
| 22 - | Engine speed sender -G28- |
| 23 - | Seal |
| q | Renew |
| 24 - | Connector |
| q | Black, 2-pin |
| q | For injector (-N30-…-N33-) |
| 25 - | Connector |
| q | Black, 2-pin |
| q | For twin path intake manifold change-over valve -N156- |
| 26 - | Seal |
| If there are no stops on the lower part of the intake manifold: |
| q | Stick the ring gasket to the lower part of the intake manifold with -D 000 801- adhesive and -D 000 802- hardener |
| q | Mark → Fig. |
| 27 - | 3 pin connector |
| q | Grey |
| q | For engine speed sender |
| q | Fitting location → Chapter |
| 28 - | 4 pin connector |
| q | Brown |
| q | For Lambda probe and Lambda probe heating |
| q | Contacts 3 and 4 gold-plated |
| q | Fitting location → Chapter |
| 29 - | Lambda probe -G39-, 50 Nm |
| q | Grease only the threads with -G 052 112 A3-; -G 052 112 A3- must not get into the slots on the probe body |
| q | Probe heating voltage supply via fuel pump relay -J17- |
| q | Fitting location → Chapter |
| 30 - | Support |
| q | Between intake manifold and cylinder head |
| 31 - | Rubber bush |
| 32 - | Washer |
| 33 - | 8 Nm |
| 34 - | To heat exchanger |
| 35 - | From expansion tank |
| 36 - | Connector |
| q | 8 pin |
| q | Contacts gold plated |
| q | For throttle valve control part -J338- |
| 37 - | To activated charcoal filter solenoid valve -N80- |
| q | Activated charcoal filter system → Chapter |
| 38 - | To brake servo |
| 39 - | Intake manifold - upper part |
| q | With twin path intake manifold change-over → Chapter |
| q | Dismantling and assembling → Chapter |
| 40 - | Spreader rivet |
| 41 - | Cable channel |
