audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking exhaust system for leaks > < Removing and installing catalytic converter with centre silencer
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 torques → Chapter „Silencers - exploded view“
   
–  Loosen bolt connections on front clamp.
–  Push rear section of exhaust system towards front of vehicle -arrow-, so that rear mounting for centre silencer is preloaded by -a- = 13 ... 17 mm.
  A26-0514
–  Fit the clamp at the angle shown.
l  Bolt connections face to right.
l  Nuts face upwards.
l  α = approx. 20°
  A26-10447
–  Position rear silencer to align tailpipes as follows:
l  Distance between tailpipes and bumper cut-out must be equal on both sides.
l  Distance -a- is the same on both sides.
l  At the same time, specified clearance must be maintained between bumper cut-out and top of tailpipes.
l  Distance -b- = 21 mm.
–  If necessary, unfasten rear silencer mounting to align tailpipes.
  V26-0959

Checking exhaust system for leaks > < Removing and installing catalytic converter with centre silencer