Overview - Reducing Agent Tank

Fig 1: Exploded View Of Reducing Agent Tank

Courtesy of AUDI OF AMERICA, LLC

Nut
- 2 Nm
Cover
- For the reducing agent tank
Bolt
- 6 Nm
Grommet
Spacer Sleeve
Delivery Module
- With
  - Reducing Agent Pump -V437-
  - Reducing Agent Return Flow Pump -V561-
- Delivery module, removing and installing. Refer to REDUCING AGENT DELIVERY MODULE, REMOVING AND INSTALLING .
Seals
- Always Replace After Removing
2 Bolts
- 25 Nm
- Always replace
- Quantity: 2 (M8X25)
Heat Shield
Reducing Agent Tank
- With
  - Reducing Agent Temperature Sensor -G685-
  - Reducing Agent Reservoir Sensor -G697-
  - Reducing Agent Quality Sensor -G849-
  - Reducing Agent Tank Heater (Heating Circuit 1) -Z102-
- Installed location: in the luggage compartment right hole under the underbody.
- Removing and installing. Refer to REDUCING AGENT TANK, REMOVING AND INSTALLING .
Reducing Agent Heater Control Module -J891-
- Removing and installing. Refer to REDUCING AGENT HEATER CONTROL MODULE -J891-, REMOVING AND INSTALLING .
Wiring Harness
Filler Tube
- For SCR-filling
Bolt
- 40 Nm
- Always replace
- M12 X 50
Reducing Agent Line
- From the reducing agent delivery module to the Reducing Agent Injector -N474-.
- With Reducing Agent Line Heater (Heating Circuit 2) -Z104-
- To disconnect, press release buttons. Refer to REDUCING AGENT LINE CONNECTOR, DISCONNECTING .
- Clipped in on fuel tank