audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing main catalytic converter > < Removing and installing starter catalytic converter
Removing and installing front exhaust pipe
Removing and installing front exhaust pipe
   
Removing
–  Remove front right wheel.
–  If fitted, release quick fasteners -2- and -3- and remove rear noise insulation.
  A10-1320
–  Unbolt heat shield -1- for drive shaft (right-side).
  A10-0961
–  Remove bolts -arrows- securing starter catalytic converter to front exhaust pipe.
–  Remove bolt -1- on bracket for exhaust system.
  Note
To avoid any damage, the flexible joint in the front exhaust pipe must not be bent more than 10°.
  A26-0377
–  Unplug electrical connector -arrow- for exhaust gas temperature sender 1 -G235-.
–  Move wiring clear.
  A26-0586
–  Unscrew nuts -arrows- and remove front exhaust pipe.
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
  A26-0592
ComponentsNm
Front exhaust pipe to main catalytic converter27 1)
Front exhaust pipe to starter catalytic converter25
Bracket for front exhaust pipe to gearbox25
Heat shield to gearbox23
l  1) Renew nuts.

   

Removing and installing main catalytic converter > < Removing and installing starter catalytic converter