audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing front exhaust pipe > < Silencers
Silencers - exploded view
   
Silencers - exploded view
1 - Gasket
q   Renew
2 - Particulate filter
q   With catalytic converter
q   With pressure line for exhaust gas pressure sensor 1 -G450-
q   Removing and installing → Chapter
q   Mounting components → Fig.
q   After renewing, perform Adaption in Guided Functions → Vehicle diagnostic tester
3 - Gasket
q   Renew
4 - Nut
q   Renew
q   23 Nm
5 - Front exhaust pipe
q   With flexible joint; do not bend flexible joint more than 10° – otherwise it can be damaged
q   Protect against knocks and impact
q   Removing and installing → Chapter
q   Align exhaust system so it is free of stress → Chapter
6 - Clamp (front)
q   Before tightening, align exhaust system so it is free of stress → Chapter
q   Installation position → Fig.
q   Tighten bolt connections evenly
7 - Nut
q   23 Nm
8 - Rear silencer
q   Combined as one unit with centre silencer and tailpipes as original equipment Can be renewed individually for repair purposes
q   Cutting point: centre silencer / rear silencer → Chapter
q   Renewing tailpipes → Chapter
q   Align exhaust system so it is free of stress → Chapter
9 - Mounting
q   Renew if damaged
q   Check preload → Chapter „Stress-free alignment of exhaust system“
10 - Bolt
q   20 Nm
11 - Rubber mounting
q   Renew if damaged
12 - Bracket
13 - Bolt
q   23 Nm
14 - Tailpipe
q   Can be renewed separately for repair purposes → Chapter
15 - Clamp
16 - Nut
q   23 Nm
17 - Clamp (rear)
q   For separate replacement of centre and rear silencers
q   Before tightening, align exhaust system so it is free of stress → Chapter
q   Installation position → Fig.
q   Tighten bolt connections evenly
18 - Centre silencer
q   Combined in one unit with rear silencers as original equipment. Can be renewed individually for repair purposes
q   Cutting point: centre silencer / rear silencer → Chapter
q   Align exhaust system so it is free of stress → Chapter
19 - Mounting
q   Renew if damaged
q   Check preload → Chapter „Stress-free alignment of exhaust system“
20 - Bolt
q   23 Nm
21 - Nut
q   23 Nm
22 - Bracket
23 - Bolt
24 - Nut
q   Renew
q   Coat thread with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue
q   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 left.
  A26-0159
Installation position of rear clamps
–  Install clamps so that the bolt ends do not protrude beyond bottom of clamp.
l  Bolt connection faces to left.
  A26-10036
Components of mountings for particulate filter
1 - Spacer sleeve
2 - Compression spring
3 - Washer
4 - Bolt, 23 Nm
5 - Bolt, 23 Nm
6 - Spacer sleeve
7 - Buffer
8 - Bracket
9 - Bolt, 23 Nm
10 - Bracket
11 - Nut
  A26-10567

Removing and installing front exhaust pipe > < Silencers