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Exhaust system - Components overview > < Exhaust system (Engine code CMXA)
Exhaust manifold and front exhaust pipe with catalytic converter - Assembly overview
   
Exhaust manifold and front exhaust pipe with catalytic converter - Assembly overview
1 - Exhaust manifold
q   Removal and installation
2 - Retaining bracket
3 - Heat shield
4 - Lambda probe -G39- (before catalytic converter) - 55 Nm
q   When replacing, delete the learnt values in the engine controller → vehicle diagnosis device, „Guided function“.
q   When reusing, only grease the thread with hot bolt paste -G 052 112 A3-; the paste must not get into the slots on the sender body
5 - 10 Nm
6 - 25 Nm
q   Renew
7 - Seal
q   Renew
8 - Lambda probe after catalytic converter -G130- - 55 Nm
q   When replacing, delete the learnt values in the engine controller → vehicle diagnosis device, „Guided function“.
q   When reusing, only grease the thread with hot bolt paste -G 052 112 A3-; the paste must not get into the slots on the sender body
q   The plug connection is located beneath the right underbody trim of the vehicle.
9 - Double clamp, front
q   Align exhaust system so it is free of stress before tightening clamp → Chapter
q   Installation position → Fig.
q   Tighten bolted connections evenly.
10 - 25 Nm
11 - Primary exhaust pipe
q   With catalytic converter
q   Protect from damage by knocks and impact
q   With vibration damper
q   Do not bend decoupling element more than 10°. It may be damaged
q   Removing and fitting → Chapter
q   Align exhaust system so it is free of stress → Chapter
12 - Mounting
q   Replace if damaged
13 - 23 Nm
14 - 25 Nm
q   Renew
q   Coat threaded studs of the exhaust manifold with hot bolt paste -G 052 112 A3-
15 - 25 Nm
16 - Support for front exhaust manifold

   
Installation position of front double clamp
–  Install the clamping sleeve so that ends of bolts -arrow- do not protrude beyond bottom edge of clamping sleeve.
l  Bolted connection must point to the right.
  A26-0277
Installation position of rear clamp
–  Install the clamp sleeve so that ends of bolts do not protrude beyond bottom of clamp sleeve.
l  Screw thread must face rear
  A26-0159

Exhaust system - Components overview > < Exhaust system (Engine code CMXA)