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Silencer with hangers > < Removing and installing parts of the exhaust system

Octavia Mk1

Exhaust manifold, exhaust pipe with catalytic converter and attached parts
Exhaust manifold, exhaust pipe with catalytic converter and attached parts
For engine with identification characters AEG, APK, AQY and AZH
1 - 10 Nm
2 - 25 Nm
3 - 30 Nm
–  only for engines AQY, AZH
4 - Connecting tube
–  only for engines AQY, AZH
5 - 25 Nm
–  replace
6 - Bolted connection, 35 Nm
–  only for engines AQY, AZH
7 - Lambda probe 1 downstream of catalytic converter -G39-, 50 Nm
–  the thread of new lambda probes must be coated with assembly paste
–  for re-used lambda probe, only coat the thread with hot bolt paste - G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
–  use lambda probe wrench for removing and installing
–  test: → 2.0 ltr./85 kW Engine, Fuel Injection and Ignition System → Rep. Gr.24
8 - Connector
–  black
–  4-pin for engines with identification characters AEG, APK and AQY
–  6-pin for engines with identification characters AZH
–  for lambda probe and lambda probe heater
9 - Lambda probe 2 after catalytic converter -G130-, 50 Nm
–  only for engines AQY, AZH
–  the thread of new lambda probes must be coated with assembly paste
–  for re-used lambda probe, only coat the thread with hot bolt paste - G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
–  use lambda probe wrench for removing and installing
–  test: → 2.0 ltr./85 kW Engine, Fuel Injection and Ignition System → Rep. Gr.24
10 - 4-pin connector
–  only for engines AQY, AZH
–  Brown
–  Contacts 3 and 4 gilded
–  for lambda probe and lambda probe heater
11 - to the central silencer
12 - Front exhaust pipe with catalytic converter
–  to remove, disconnect plug connection for lambda probe -pos. 10- and remove cable from fixtures
–  Inspecting catalyst → Chapter
13 - 40 Nm
–  replace
–  coat with hot bolt paste -G 052 112 A3 - before inserting
14 - 25 Nm
15 - Struts
16 - Gasket
–  replace
–  Observe fitting position: Slot for lambda probe points to the rear
17 - Exhaust manifold
–  removing and installing → Chapter
18 - Heat shield
For engine with engine code AZJ
  Note
The decoupling element in the front part of the exhaust pipe should not be bent by more than 10° - danger of damaging it.
1 - Heat shield
2 - Lambda probe 1 downstream of catalytic converter -G39-, 50 Nm
–  the thread of new lambda probes must be coated with assembly paste
–  for re-used lambda probe, only coat the thread with hot bolt paste - G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
–  use lambda probe wrench for removing and installing
–  test: → 2.0 ltr./85 kW Engine, Fuel Injection and Ignition System → Rep. Gr.24
3 - 10 Nm
4 - 25 Nm
5 - 25 Nm
–  replace
6 - Connecting tube
–  for secondary air injection system
7 - Bolted connection, 35 Nm
8 - Exhaust manifold
9 - Gasket
–  replace
10 - Front exhaust pipe with catalytic converter
–  with balancing element
11 - Lambda probe 2 after catalytic converter -G130-, 50 Nm
–  the thread of new lambda probes must be coated with assembly paste
–  for re-used lambda probe, only coat the thread with hot bolt paste - G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
–  use lambda probe wrench for removing and installing
–  test: → 2.0 ltr./85 kW Engine, Fuel Injection and Ignition System → Rep. Gr.24
12 - 10 Nm
13 - Protection plate
–  for catalytic converter
14 - 10 Nm
15 - Fixing nut
16 - Support panel
17 - 25 Nm
18 - 40 Nm
–  replace
19 - Gasket
–  replace
  S26-0125

Silencer with hangers > < Removing and installing parts of the exhaust system