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Aligning tailpipes > < Removing and installing front exhaust pipe with catalytic converter

A4 Cabriolet Mk2

Stress-free alignment of exhaust system
Stress-free alignment of exhaust system
l  The exhaust system must be aligned when it is cool.
   
Vehicles without clamps between Y-pipe and rear silencer
–  Loosen bolt connections of front clamp → Item.
–  Push exhaust system towards front of vehicle -arrow-, so that mountings (right-side) for rear silencers are preloaded by -a- = 5 ... 9 mm.
–  Tighten bolt connections on front clamp → Item evenly.
–  Align tailpipes → Chapter.
  A26-0101
Vehicles with clamps between Y-pipe and rear silencer
  Note
On a vehicle with clamps fitted between Y-pipe and rear silencer, it is also necessary to align the Y-pipe.
–  Loosen bolts on clamps → Item and → Item.
–  Push front section of exhaust system towards front of vehicle -arrow-, so that mountings for Y-pipe are preloaded by -a- = 5 ... 9 mm.
–  Tighten bolt connections on front clamp → Item evenly.
  A26-0101
–  Push rear section of exhaust system towards front of vehicle -arrow-, so that mountings (rear) for rear silencers are preloaded by -a- = 5 ... 9 mm.
–  Align rear silencers so they are horizontal.
–  Tighten bolt connections on rear clamps → Item evenly.
–  Align tailpipes → Chapter.
  A26-0101

Aligning tailpipes > < Removing and installing front exhaust pipe with catalytic converter