audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Draining active tank for reducing agent > < Removing and installing injector for reducing agentN474

A4 Mk3

Active tank for reducing agent with attached components - exploded view
   
Active tank for reducing agent with attached components - exploded view
  Note
Fitting location: Beneath left rear seat on underside of vehicle.
1 - Nut
q   2 Nm
2 - Cover
q   For active tank for reducing agent
3 - Active tank
q   For reducing agent
q   Removing and installing → Chapter
4 - Bolt
q   20 Nm
5 - Sleeve
6 - Grommet
7 - Transfer line
q   From transfer pump for reducing agent -V436- to active tank
  WARNING
Safety risk due to escaping reducing agent.
Observe safety measures for handling reducing agent → Chapter.
8 - Breather line
q   From filler neck
  WARNING
Safety risk due to escaping reducing agent.
Observe safety measures for handling reducing agent → Chapter.
9 - Filler line
q   From filler neck
  WARNING
Safety risk due to escaping reducing agent.
Observe safety measures for handling reducing agent → Chapter.
10 - Bolt
q   4.2 Nm

   
Disconnecting reducing agent lines
  WARNING
Safety risk due to escaping reducing agent.
Observe safety measures for handling reducing agent → Chapter.
–  To disconnect reducing agent lines, press release catches in direction of -arrows-.
  A20-10702

Draining active tank for reducing agent > < Removing and installing injector for reducing agentN474