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Middle or rear part of the exhaust system - Summary of components > < Removing and installing parts of the exhaust system

Octavia Mk2

Catalytic converter and component parts - Summary of components
   
Catalytic converter and component parts - Summary of components
1 - 8 Nm
q   first of all screw in all fixing screws by hand when installing
2 - Gasket
q   replace
3 - Intermediate pipe
4 - Clamping sleeve, 23 Nm
q   Tighten bolted connections evenly
5 - 23 Nm
q   replace
q   Coat stud bolts of exhaust pipe with hot bolt paste -G 052 112 A3-
6 - Lambda probe downstream of catalytic converter -G130-, 50 Nm
q   the thread of new lambda probes must be coated with assembly paste
q   for re-used lambda probe, only coat the thread with hot bolt paste -G 052 112 A3-; the paste must not get into the slots of the probe body
7 - Hanger
8 - 23 Nm
9 - Exhaust pipe
q   with decoupling element
q   do not twist decoupling element more than 10° - risk of damage
10 - 23 Nm
q   replace
11 - Exhaust gas turbocharger
q   The exhaust gas turbocharger and the exhaust manifold can only be replaced together
12 - Support
13 - Heat shield
14 - 16 Nm
q   replace
q   Coat stud bolts of exhaust manifold with hot bolt paste -G 052 112 A3-
15 - Reinforcement clip
q   Assembly → Fig.
16 - Lambda probe -G39-, 50 Nm
q   the thread of new lambda probes must be coated with assembly paste
q   for re-used lambda probe, only coat the thread with hot bolt paste -G 052 112 A3-; the paste must not get into the slots of the probe body
17 - 23 Nm
  Caution
The reinforcement clip must be installed after slackening the screw connection on vehicles without reinforcement clip, because of the risk of fracturing the brackets of the catalytic converter → Fig..
18 - Catalytic converter with exhaust pipe
q   removing and installing → Chapter
19 - 23 Nm
q   replace
q   Coat stud bolts of exhaust gas turbocharger with hot bolt paste -G 052 112 A3-

   
Assembly - reinforcement clip
–  Push the reinforcement clip -2--as shown in the illustration- onto the brackets of the catalytic converter -1-.
l  The “angle of bend”-arrow- must point downwards.
Use new screws -3- with a larger contact surface → Electronic catalogue of original parts.
  S26-0306

Middle or rear part of the exhaust system - Summary of components > < Removing and installing parts of the exhaust system