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Centre silencer - exploded view > < Particulate filter and NOx storage catalytic converter - exploded view

A3 Mk2

Exhaust flap control unitJ883 with ammonia trap - exploded view
   
Exhaust flap control unit -J883- with ammonia trap - exploded view
1 - NOx storage catalytic converter
q   Removing and installing → Chapter
2 - Seal
q   Renew
q   Note installation position → Fig.
3 - Clamp
q   7 Nm
q   Renew
q   Installation position → Chapter
4 - Exhaust flap control unit -J883-
q   Removing and installing → Chapter
5 - Ammonia trap
q   Removing and installing → Chapter
6 - Centre silencer
q   Removing and installing → Chapter
7 - Clamp
q   Note installation position → Chapter
8 - Nut
q   23 Nm

   
Installation position of seal between exhaust flap control unit -J883- and NOx storage catalytic converter or ammonia trap:
–  Fit square lug -B- on seal -2- into notch -A- of NOx storage catalytic converter or ammonia trap -1-.
–  Fit retaining lug -C- on exhaust flap control unit-3- into notch -A-.
  A26-10931

Centre silencer - exploded view > < Particulate filter and NOx storage catalytic converter - exploded view