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Checking exhaust system for leaks > < Stress-free alignment of exhaust system - vehicles with four-wheel drive

A4 Cabriolet Mk2

Aligning tailpipes
Aligning tailpipes
   
Procedure
–  Check clearance between tailpipes and bumper on both sides.
l  Dimension -x- (left-side) = dimension -x- (right-side)
  A26-0471
If necessary, correct dimension -x- as follows:
–  Slacken nut -arrow- on brace between exhaust pipes.
–  Adjust the distance between the rear silencers.
–  Tighten nut to 23 Nm.
  A26-0473
–  Check distances -y- and -z- between tailpipes and bumper.
l  Dimension -y- = approx. 20 mm.
l  Dimension -z- = 20 ... 26 mm.
–  If necessary, check that exhaust system is aligned free of stress: vehicles with front-wheel drive → Chapter, vehicles with four-wheel drive → Chapter.
  A26-0472

Checking exhaust system for leaks > < Stress-free alignment of exhaust system - vehicles with four-wheel drive