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Aligning tailpipes > < Renewing tailpipe

A4 Mk3

Stress-free alignment of exhaust system
Stress-free alignment of exhaust system
Procedure
l  The exhaust system must be aligned when it is cool.
l  Tightening torque → Chapter „Silencers - exploded view“
   
Vehicles without clamps between centre silencer and rear silencers
–  Loosen bolt connections on front clamps.
–  Push exhaust system towards front of vehicle -arrow- until mountings in front of centre silencer are preloaded by -a- = 6 ... 10 mm.
–  Tighten bolt connections on clamps evenly.
–  Align tailpipes → Chapter.
  A26-0101
Vehicles with clamps between centre silencer and rear silencers
  Note
On a vehicle with clamps fitted between the centre silencer and rear silencers, it is also necessary to align the centre silencer.
–  Loosen bolt connections on front and rear clamps.
–  Push exhaust system towards front of vehicle -arrow- until mountings in front of centre silencer are preloaded by -a- = 6 ... 10 mm.
–  Tighten bolt connections on front clamps 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- = 11 ... 15 mm.
–  Align rear silencers so they are horizontal.
–  Tighten bolt connections on rear clamps evenly.
–  Align tailpipes → Chapter.
  A26-0101

Aligning tailpipes > < Renewing tailpipe