volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Assembly overview - exhaust system > < Exhaust system, engine code CMXA
Assembly overview - exhaust manifold and front exhaust pipe with catalytic converter
   
Assembly overview - exhaust manifold and front exhaust pipe with catalytic converter
1 - Exhaust manifold
q   Removing and installing.
2 - Retaining clips
3 - Heat shield
4 - Lambda probe -G39- (before catalytic converter) 55 Nm
q   When replacing, erase learnt values in engine control unit → vehicle diagnosis tester “Guided fault finding”..
q   If reusing, lubricate the threads of the Lambda probe with high temperature paste -G 052 112 A3-. The paste may not come into contact with the slots on the probe body
5 - 10 Nm
6 - 25 Nm
q   Renew.
7 - Gasket
q   Renew.
8 - Lambda probe after catalytic converter -G130- 55 Nm
q   When replacing, erase learnt values in engine control unit → vehicle diagnosis tester “Guided fault finding”..
q   If reusing, lubricate the threads of the Lambda probe with high temperature paste -G 052 112 A3-. The paste may not come into contact with the slots on the probe body
q   The connector is located beneath right underbody panel
9 - Front clamp
q   Align exhaust system free of stress before tightening clamp → Chapter.
q   Installation position → Fig..
q   Tighten bolted connections evenly.
10 - 25 Nm
11 - Front exhaust pipe
q   With catalytic converter.
q   Protect from damage by knocks and impact.
q   With decoupling element.
q   Do not bend decoupling element more than 10° - otherwise it can be damaged.
q   Removing and installing → Chapter.
q   Aligning exhaust system free of stress → Chapter.
12 - Mounting
q   Renew if damaged.
13 - 23 Nm
14 - 25 Nm
q   Renew.
q   Coat exhaust manifold studs with high-temperature paste -G 052 112 A3-
15 - 25 Nm
16 - Support for exhaust manifold

   
Installation position of front clamp
–  Install clamp so that end of bolt -arrow- does not extend beyond lower edge of clamp.
l  Bolted connection faces to right.
  A26-0277
Installation position of rear clamp
–  Install clamp so that ends of bolts do not protrude beyond bottom of clamp.
l  Bolted connection faces rear.
  A26-0159

Assembly overview - exhaust system > < Exhaust system, engine code CMXA