A3 Mk2
| Lambda probe and exhaust gas temperature sensors - exploded view |
| 1 - | Bolt |
| q | 8 Nm |
| 2 - | Bolt |
| q | 8 Nm |
| 3 - | Pressure differential sender -G505- |
| q | Removing and installing → Chapter |
| q | Adaption must be performed after renewing this component |
| 4 - | Control pipe |
| q | Control pipe from exhaust gas recirculation cooler to exhaust gas pressure sensor 2 -G451- |
| 5 - | Exhaust gas pressure sensor 1 -G450- |
| q | Removing and installing → Chapter |
| q | Adaption must be performed after renewing this component |
| 6 - | Bolt |
| q | 8 Nm |
| 7 - | Bolt |
| q | 8 Nm |
| 8 - | Exhaust gas temperature sender 3 -G495- |
| q | Removing and installing → Rep. gr.26 |
| q | Coat with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue |
| q | 45 Nm |
| 9 - | Exhaust gas temperature sender 2 -G448- |
| q | Before removing mark installation position |
| q | Removing and installing → Rep. gr.26 |
| q | Note installation position: see exhaust gas temperature control (vehicles with engine code CBEA) → Rep. gr.26 |
| q | Coat with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue |
| q | 45 Nm |
| 10 - | Exhaust gas temperature sender 1 -G235- |
| q | Before removing mark installation position |
| q | Removing and installing → Rep. gr.26 |
| q | Note installation position: see exhaust gas temperature control (vehicles with engine code CBEA) → Rep. gr.26 |
| q | Coat with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue |
| q | 45 Nm |
| 11 - | Turbocharger |
| 12 - | Lambda probe -G39- with Lambda probe heater -Z19- |
| q | New Lambda probes are coated with an assembly paste |
| q | In the case of a used Lambda probe, coat only thread with high-temperature paste; refer to → Parts catalogue for high-temperature paste |
| q | The assembly paste / high-temperature paste must not make contact with the slots on the Lambda probe body |
| q | Removing and installing → Chapter |
| q | 50 Nm |
| 13 - | Exhaust gas temperature sender 4 -G648- |
| q | Removing and installing → Rep. gr.26 |
| q | Coat with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue |
| q | 45 Nm |
| 14 - | Particulate filter |
| q | Removing and installing → Rep. gr.26 |
| q | Adaption must be performed after renewing particulate filter |
| 15 - | Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- |
| q | New Lambda probes are coated with an assembly paste |
| q | In the case of a used Lambda probe, coat only thread with high-temperature paste; refer to → Parts catalogue for high-temperature paste |
| q | The assembly paste / high-temperature paste must not make contact with the slots on the Lambda probe body |
| q | Removing and installing → Chapter |
| q | 50 Nm |
| 16 - | NOx storage catalytic converter |
| q | Removing and installing → Rep. gr.26 |
| 17 - | Clamp |
| 18 - | Seal |
| 19 - | Control pipe |
| q | Tighten to 45 Nm at exhaust |
| q | Secure to pressure sensor with hose clip |
| q | Do not attempt to bend control pipe to a different shape |
| q | Install free of stress |
| q | Removing and installing → Chapter |
| 20 - | Nut |
| q | 9 Nm |
| 21 - | Bracket |
| q | For control pipe |
| 22 - | Bracket |
| q | For pressure differential sender -G505- |
| 23 - | Bolt |
| q | 9 Nm |
| 24 - | Bracket |
