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Front exhaust pipe with catalytic converter renew > < Exhaust system components: removal and installation
Exhaust manifold, front exhaust pipe and catalytic converter with attachments
   
Exhaust manifold, front exhaust pipe and catalytic converter with attachments
1 - Warm air collector plate
q   Tightening sequence → Fig.
2 - 10 Nm
3 - Lambda probe 1 before catalytic converter -G39-, 50 Nm
q   Checking → Rep. Gr.24
q   Only grease threads with “G 052 112 A3”. “G 052 112 A3” must not get into the slots on the probe body
q   Remove and install with spanner -U-40080-
q   Ageing of the Lambda probe, check → Chapter, Catalytic converter: checking
4 - Exhaust manifold
q   With pre-catalytic converter integrated
5 - Gasket
q   Renew
6 - Lock nut, 25 Nm
7 - Lambda probe 2 after catalytic converter -G130-, 50 Nm
q   Checking → Rep. Gr.24
q   Only grease threads with “G 052 112 A3”. “G 052 112 A3” must not get into the slots on the probe body
q   Remove and install with spanner -U-40080-
8 - To front silencer
9 - Marking
q   Visible from below → Item
10 - Connector
q   For Lambda probe 2 after catalytic converter -G130- and Lambda probe heating -Z29-
q   Black, 4-pin
11 - Front exhaust pipe with catalytic converter
q   Check catalytic converter → Chapter
q   Check catalytic converter → Chapter
12 - 25 Nm
13 - Tunnel bridge
q   With support elemnt for front exhaust pipe with catalytic converter
q   Renew if damaged
14 - Lock nut, 40 Nm
15 - Gasket
q   Renew
16 - 40 Nm
17 - Washer
18 - Support

   
Tightening sequence, warm air collector plate on exhaust manifold
  Note!
The warm air collector plate must be secured in the position indicated to avoid tensions after assembly.
1 - Tighten bolt -1-, to 10 Nm
2 - Tighten bolt -3-, to 10 Nm
3 - Tighten bolt -2-, to 10 Nm
  E26-0028

Front exhaust pipe with catalytic converter renew > < Exhaust system components: removal and installation