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Activated charcoal filter system and tank leak diagnostic system - USA vehicles > < Activated charcoal filter system - exploded view

A4 Mk3

Removing and installing activated charcoal filter
Removing and installing activated charcoal filter
Removing
–  Observe safety precautions → Chapter.
–  Observe rules for cleanliness → Chapter.
–  Remove underbody trim (rear left) → Rep. gr.66.
   
–  Press release tab and detach vent pipe -1-.
–  Disconnect breather pipe -3- leading to fuel tank by pressing release tab.
–  Disconnect breather pipe -5- leading to solenoid valve 1 for activated charcoal filter system -N80- by pressing release tab.
–  Unscrew bolts -2, 4 and 6- and remove activated charcoal filter.
Installing
l  Tightening torque → Chapter
Installation is carried out in the reverse order; note the following:
–  Connect vent and breather pipes so they engage audibly.
  A20-10421

Activated charcoal filter system and tank leak diagnostic system - USA vehicles > < Activated charcoal filter system - exploded view