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Removing and installing injector for reducing agentN474 > < Reducing agent metering system - vehicles with SCR catalytic converter

A4 Mk3

Injector for reducing agentN474 - exploded view
   
Injector for reducing agent -N474- - exploded view
1 - Bolt
q   5 Nm
2 - Retaining clamp
3 - Gasket
q   Renew
4 - Injector for reducing agent -N474-
q   Removing and installing → Chapter
5 - Hose
q   For reducing agent
q   Press release catches to remove → Fig.
6 - Electrical connector
7 - Front exhaust pipe

   
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

Removing and installing injector for reducing agentN474 > < Reducing agent metering system - vehicles with SCR catalytic converter