Polo Mk5
| Assembly overview - parts of injection system |
| 1 - | Intake hose |
| 2 - | Clip |
| 3 - | Air filter |
| 4 - | Intake hose |
| 5 - | Cable guide |
| 6 - | Connector |
| q | Black, 2-pin. |
| q | For engine speed sender -G28-. |
| q | Fitting location of engine speed sender -G28-: on cylinder block, below intake manifold |
| 7 - | Connector |
| q | Black, 2-pin. |
| q | For injectors. |
| q | Injector, cylinder 1 -N30- |
| q | Injector, cylinder 2 -N31- |
| q | Injector, cylinder 3 -N32- |
| 8 - | Connection for fuel supply hose |
| 9 - | 10 Nm |
| 10 - | Fuel rail with injectors |
| q | Dismantling and assembling → Chapter. |
| 11 - | 20 Nm |
| 12 - | Intake manifold |
| 13 - | 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 | Remove and install with Lambda probe open ring spanner set -3337-. |
| 14 - | 6-pin connector |
| q | Black |
| q | For Lambda probe -G39-. |
| q | Contacts 3 and 4 on connector are gold-plated |
| 15 - | Lambda probe after catalytic converter -G130-, 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 | Remove and install with Lambda probe open ring spanner set -3337-. |
| 16 - | 4-pin connector |
| q | Black |
| q | For Lambda probe after catalytic converter -G130-. |
| 17 - | Coolant temperature sender -G62- |
| q | Green |
| q | Before removing, release pressure in cooling system if necessary. |
| 18 - | O-ring |
| q | Renew if damaged. |
| 19 - | Retaining clip |
| q | Check for secure seating. |
| 20 - | 10 Nm |
| 21 - | Thermostat housing |
| 22 - | Retaining clip |
| q | Check for secure seating. |
| 23 - | Connector |
| q | For engine control unit -J623-. |
| q | Only disconnect or connect connector with ignition switched off. |
| 24 - | Engine control unit -J623- |
| q | If renewed, the engine control unit -J623- must be adapted to the electronic immobilizer → Vehicle diagnostic tester„Guided functions“. |
| 25 - | Retaining frame |
| 26 - | 5 Nm |
