A4 Mk3
| Reservoir for reducing agent - exploded view |

| 1 - | Return line |
| q | With heater |
WARNING
|
| 2 - | Supply line |
| q | With heater |
WARNING
|
| 3 - | Union nut |
| q | Renew |
| q | Remove and install using special wrench -T50014- |
| q | Tightening → Anchor |
| 4 - | Electrical connectors |
| q | For tank sender for reducing agent -G684- |
| q | For temperature sender for reducing agent -G685- |
| q | For heater for reducing-agent tank -Z102- |
| 5 - | Reservoir |
| q | With tank sender for reducing agent -G684- |
| q | With temperature sender for reducing agent -G685- |
| q | With heater for reducing-agent tank -Z102- |
| q | With filter |
| q | Removing and installing → Chapter |
| 6 - | Seal |
| q | Renew |
| q | Install dry |
|
|

WARNING