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Active tank for reducing agent with attached components - exploded view > < Disconnecting reducing agent lines

A4 Mk3

Removing and installing injector for reducing agentN474
Removing and installing injector for reducing agent -N474-
   
Removing
–  Remove rear noise insulation panel -2- → Rep. gr.66.
  WARNING
Reducing agent can cause skin irritation.
t  Observe safety measures when handling reducing agent → Chapter.
t  Wear safety goggles.
  Note
  A10-11071
Hold a clean cloth under the separating point to catch escaping reducing agent.
–  Press release catches → Chapter and disconnect hose -1- from injector for reducing agent -N474-.
–  Unplug electrical connector -2-.
–  Release retaining clip -3- and detach injector for reducing agent -N474-.
  A26-10889
Installing
Installation is carried out in the reverse order; note the following:
l  Tightening torque → Chapter „Injector for reducing agent -N474- - exploded view“
  Note
Renew seal.
l  Installation position: lugs in injector for reducing agent -N474--item 2- must be inserted in corresponding mountings in front exhaust pipe -1-.
–  Install rear noise insulation → Rep. gr.66.
–  Adapt learnt value after draining reducing agent or renewing components → Chapter.
  A26-10891

Active tank for reducing agent with attached components - exploded view > < Disconnecting reducing agent lines