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Replacing middle or rear silencer > < Middle and rear silencer - Summary of components

Fabia Mk2

Removing and installing front exhaust pipe with diesel particle filter
Removing and installing front exhaust pipe with diesel particle filter
Special tools and workshop equipment required
t  Pliers for spring strap clamps
t  Set of tools SW 17 -T10395-
t  Transport security -T10404-
Removing
–  Remove engine cover → Chapter.
   
–  Removing top right charge air pipe.
–  Remove intake manifold flap motor -V157- → Chapter.
–  Remove exhaust gas recirculation valve -N18- with EGR potentiometer -G212- and EGR control motor -V338- → Chapter.
–  Disconnect electrical plug connection to lambda probe -G39-, to temperature sender upstream and downstream diesel particle filter.
–  Remove exhaust temperature sender 2 -G448-.
–  Unscrew lambda probe -G39-.
–  Unbolt pressure line at diesel particle filter.
–  Remove heat shield.
–  Remove fixing clamp for diesel particle filter.
–  Unscrew pressure sensor 1 for exhaust gas -G450-.
–  Remove the sound dampening system → Body Work; Rep. gr.50.
–  Release assembly carrier in the service position and align → Chassis; Rep. gr.40.
–  Remove propeller-shaft guard from engine.
  S10-0371
–  Unscrew exhaust gas temperature sender 3 -G527--Pos. 1- from exhaust pipe downstream diesel particle filter.
–  Unscrew pressure line -2- for exhaust gas pressure sensor 1 -G450-.
  A26-10189
–  Release screws -arrows- at holder for diesel particle filter.
  Note
t  For the following working steps a 2nd mechanic is required.
t  The decoupling element in the front exhaust pipe should not be bent by more than 10° - risk of damage.
t  When removing the diesel particle filter slightly raise the heat shield, in order to avoid damage.
t  Secure the decoupling element with the transport security -T10404- against overtensioning.
–  Slacken nuts of double clamp → Chapter (Pos. 2).
–  Unscrew clamp of retaining strap for exhaust system.
–  Remove the front exhaust pipe with diesel particle filter.
Install
–  Installation is carried out in the reverse order. Pay attention to the following:
  Note
t  Replace the gaskets and the self-locking nuts.
t  Secure all hose connections with hose clips.
t  All cable straps which are detached when removing, should be attached again in the same place when installing.
  A26-10190
–  When installing the connecting hose with push-fit coupling ensure that the locking clip -arrow- interlocks behind the retaining lugs -A-.
–  Align exhaust system free of stress → Chapter.
–  After changing the diesel particle filter, an adaption must be performed in the function „Targeted functions“ → Vehicle diagnostic tester.
  S21-0073

Replacing middle or rear silencer > < Middle and rear silencer - Summary of components