Removing And Installing Particulate Filter/Main Catalytic Converter (Left-Side) - Audi A8 2003 Workshop Manual

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
1.14 Removing and installing particulate fil‐
ter/main catalytic converter (left-side)
Removing
– Loosen clamp (left-side) -1-.
– Loosen union nut -1- and unclip pressure pipe at particulate
filter/main catalytic converter (left-side).
– Loosen union nut -3- and detach pressure pipe at exhaust
pipe.
– Unscrew temperature sender 2 before particulate filter - G498-
-item 2- from particulate filter/main catalytic converter (left-
side).
– Remove nuts -4- and take out particulate filter/main catalytic
converter (left-side).
Installing
Installation is carried out in the reverse order; note the following:
Note
Renew gaskets and self-locking nuts.
– Install temperature sender 2 before particulate filter - G498-
⇒ page 288 .
– Align exhaust system so it is free of stress
– After renewing particulate filter, perform adaption in "Guided
Functions" ⇒ Vehicle diagnostic tester
Tightening torques
Component
Particulate filter/main catalytic converter to ex‐
haust pipe
Pressure pipe
• 1)
Renew nuts.
⇒ page 313 .
Nm
1)
25
30
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1. Removing and installing parts of exhaust system
Audi A8 2003 ➤
309