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Tailpipe alignment > < Removing and installing exhaust manifold

A4 Mk1

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 clamp between centre silencer and rear silencer
–  Loosen bolt connections of front clamp → Item.
–  Push exhaust system towards front of vehicle -arrow-, so that rubber mountings for rear silencer are preloaded by dimension -a- = 7 ... 9 mm.
–  Tighten bolts on front clamp → Item evenly to 40 Nm.
–  Align the tailpipe → Chapter.
  A26-0098
Vehicles with clamp between centre silencer and rear silencer
  Note
On vehicles with clamp fitted between centre silencer and rear silencer, it is also necessary to align the centre silencer.
–  Loosen bolts on front clamp → Item and rear clamp → Item.
–  Push front section of exhaust system towards front of vehicle -arrow- so that rubber mountings for centre silencer are preloaded by dimension -a- = 7 ... 9 mm.
–  Tighten bolts on front clamp → Item evenly to 40 Nm.
  A26-0101
–  Push rear section of exhaust system towards front of vehicle -arrow-, so that rear rubber mountings for rear silencer are preloaded by dimension -a- = 7 ... 9 mm.
–  Align rear silencer horizontally.
–  Tighten bolts on rear clamp → Item evenly to 40 Nm.
–  Align the tailpipe → Chapter.
  A26-0098

Tailpipe alignment > < Removing and installing exhaust manifold