Audi Workshop Service and Repair Manuals

Removing and installing front exhaust pipe

Removing   Note All cable ties which are released or cut open when removing must be fitted in the same position when installing. –  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.

–  Release quick-fasteners -1- and -2- and take off front noise insulation. –  If fitted, release quick fasteners -3- and remove rear noise insulation.   Note

To avoid any damage, the flexible joint in the front exhaust pipe must not be bent more than 10°. –  Separate exhaust system at clamp -arrows-.

–  Unbolt heat shield -1- for drive shaft (right-side).

–  Unscrew nut -2- at bracket for front exhaust pipe.   Note Disregard -item 1-.

–  Remove bolts -arrows- securing front exhaust pipe/catalytic converter. –  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 free of stress → Chapter. Tightening torques

Component	Nm
Front exhaust pipe to catalytic converter	25 → Note
Front exhaust pipe to front exhaust pipe bracket	25
Drive shaft heat shield to gearbox	23

1)  Renew self-locking nuts.