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Rear silencer > < Direct diesel injection system

Leon Mk1

Assembly overview - front exhaust pipe with particulate filter
Assembly overview - front exhaust pipe with particulate filter
  Note
After replacing the particle filter or the pressure differential sender -G505-, the pressure differential sender -G505- → Vehicle diagnostic, testing and information system VAS 5051 must be adapted in all cases.
   
1 - Differential pressure sender -G505-
q   removing and fitting → Chapter
2 - 3 Nm
3 - Control lines
4 - Clips
5 - Exhaust gas temperature sender 4 -G648-, 45 Nm
q   removing and fitting → Chapter
q   Thread of sender is coated.
q   Do not additionally oil or grease.
6 - Lambda probe -G39-, 50 Nm
q   removing and fitting → Chapter
q   Apply high-temperature lubricant -G 052 112 A3- to thread only. The high-temperature lubricant -G 052 112 A3- must not get into the slots on the probe body.
q   To remove use the set of flat ring spanners -3337-
7 - Heat shield
8 - 9 Nm
9 - Particulate filter
q   With oxidation catalytic converter and front exhaust pipe.
q   After renewing, the adaption of ash mass comparison must be set to zero with the vehicle diagnosis tester under „Guided functions“.
q   removing and fitting → Chapter
10 - Gasket
q   Replace
q   Note installation position.
11 - Clamp; 7 Nm
12 - 25 Nm
13 - 25 Nm
14 - Bracket
q   Bolted to cylinder head
q   Version with threaded pins:
q   Replacing particulate filter bracket with riveted stud bolt → Electronic parts catalogue.
q   This is the only way the required tightening torque can be applied.
15 - Exhaust gas temperature sender 3 -G495-, 45 Nm
q   Exhaust gas temperature sender 3 -G495-: removing and fitting → Chapter
q   Lubricate the thread with hot bolt paste -G 052 112 A3-.
16 - Bracket
17 - 25 Nm
18 - 45 Nm
q   For control line
19 - Bracket
q   For pressure differential sender -G505-.

   
Plug connection on the bulkhead of the plenum chamber
1 - Electrical connector of the exhaust gas temperature sender 1 -G235-
2 - Electrical connector of the exhaust gas temperature sender 3 -G495-
3 - Connector of the exhaust gas temperature sender 4 -G648-
4 - Electrical connector for Lambda probe -G39-
  N26-10416
Installation position of clamp for particulate filter
l  Angle -α- = 0 ± 10°
  A26-10728
Installation position of the front coupling clamp
–  Place a double clamp -a- = 5 mm from the mark on the front exhaust section with the particle filter.
  N26-0568

Rear silencer > < Direct diesel injection system