audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing front exhaust pipe with catalytic converter > < Exhaust system on vehicles without particulate filter
Exhaust system - exploded view
   
Exhaust system - exploded view
1 - Rear cross member for underbody
2 - Centre silencer
q   Combined in one unit with rear silencer as original equipment. Can be renewed individually for repair purposes
q   Cutting point → Chapter
q   Align exhaust system so it is free of stress → Chapter
3 - Rubber mounting
q   Renew if damaged
4 - Mounting
q   Renew if damaged
5 - 23 Nm
6 - Bracket
q   Renew if damaged
7 - Securing clamp, 7 Nm
q   Renew
8 - Seal
q   Renew
9 - Front exhaust pipe
q   With catalytic converter
q   Protect against knocks and impact
q   With flexible joint
q   Do not bend flexible joint more than 10° – otherwise it can be damaged
q   Removing and installing → Chapter
q   Align exhaust system so it is free of stress → Chapter
10 - Support
11 - 40 Nm
12 - 40 Nm
13 - Clamp (front)
q   Align exhaust system so it is free of stress before tightening clamp → Chapter
q   Installation position → Fig.
q   Tighten bolt connections evenly.
14 - 23 Nm
15 - Front cross member for underbody
16 - 23 Nm
17 - 23 Nm
18 - Rubber mounting
q   Renew if damaged
19 - Clamp (rear)
q   For separate replacement of centre and rear silencers
q   Installation position → Fig.
q   Tighten bolt connections evenly.
20 - 23 Nm
21 - Rubber mounting
q   Renew if damaged
22 - Rear silencer
q   Combined in one unit with centre silencer as original equipment. Can be renewed individually for repair purposes
q   Cutting point → Chapter
q   Align exhaust system so it is free of stress → Chapter
23 - Mounting
q   Renew if damaged
24 - 23 Nm
25 - 23 Nm

   
Installation position of front clamp
–  Install clamp so that ends of bolts do not protrude beyond bottom of clamp.
l  Bolt connection faces to right.
  A26-0277
Installation position of rear clamp
–  Install clamp so that ends of bolts do not protrude beyond bottom of clamp.
l  Bolt connection faces to rear
  A26-0159

Removing and installing front exhaust pipe with catalytic converter > < Exhaust system on vehicles without particulate filter