audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking exhaust system for leaks > < Removing and installing main catalytic converter and centre silencer
Separating main catalytic converter and centre silencer
Separating main catalytic converter and centre silencer
t  The connecting pipe can be cut through at the cutting point provided in order to renew the main catalytic converter or centre silencer separately.
t  The cutting point is marked by an indentation on the circumference of the exhaust pipe.
Special tools and workshop equipment required
   
t  Chain pipe cutter -VAS 6254-
  W00-10229
Procedure
l  Tightening torques → Chapter
–  Loosen bolts -arrows- and secure main catalytic converter with cable ties.
  A10-10969
–  Cut through the exhaust pipe at a right angle at the position marked -arrow- using chain pipe cutter -VAS 6254-.
  A26-10633
–  Push clamp towards centre silencer when installing.
l  Permissible gap in pipe: 0 mm.
  A26-10634
–  Install clamp so that bolts are positioned horizontally -arrow-.
l  Installation position: bolt connection faces downwards
  A26-0365

Checking exhaust system for leaks > < Removing and installing main catalytic converter and centre silencer