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Removing and installing front exhaust pipe with catalytic converter > < Separating centre and rear silencers

A4 Cabriolet Mk2

Removing and installing front exhaust pipe
Removing and installing front exhaust pipe
   
Removing
–  Open quick-release fasteners -1 … 3- and take off front and rear noise insulation.
  Note
  A10-1320
To avoid any damage, the flexible joint in the front exhaust pipe must not be bent more than 10°.
–  Disconnect exhaust system at clamp -arrow-.
  A26-10015
–  Unbolt heat shield -1- for drive shaft (right-side).
  A10-0961
–  Unscrew securing nuts connecting front exhaust pipe to catalytic converter -arrows- and detach front exhaust pipe from catalytic converter.
Installing
Installation is carried out in the reverse order; note the following:
  Note
Renew gaskets and self-locking nuts.
–  Align exhaust system so it is free of stress → Chapter.
Tightening torques
  A26-10114
ComponentNm
Front exhaust pipe to catalytic converter25 1)2)
Drive shaft heat shield to gearbox23
l  1) Renew nuts.
l  2) Coat with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue

   

Removing and installing front exhaust pipe with catalytic converter > < Separating centre and rear silencers