audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking exhaust system for leaks > < Removing and installing exhaust manifold
Stress-free alignment of exhaust system
Stress-free alignment of exhaust system
l  The exhaust system must be aligned when it is cool.
l  Note the installation positions and installation dimensions for the exhaust system → Fig. and → Fig..
   
A - Vehicles without clamp between centre silencer and rear silencer
–  Loosen bolts of clamp → Item.
–  Push exhaust system towards front of vehicle -arrow-, so that rubber mounting for rear silencer is preloaded by dimension -a- = 5 ... 11 mm.
  A26-0485
–  When positioning clamp, make sure ends of bolts do not project below bottom of clamp -arrow-.
l  Bolt connection faces to right.
–  Tighten clamp evenly to 40 Nm.
  A26-0277
B - Vehicles with clamp between centre silencer and rear silencer
–  Loosen bolts on clamps → Item and → Item.
–  Push front section of exhaust system towards front of vehicle -arrow-, so that rubber mounting for centre silencer is preloaded by dimension -a- = 5 ... 11 mm.
  A26-0514
–  When positioning clamp, make sure ends of bolts do not project below bottom of clamp -arrow-.
l  Bolt connection faces to right.
–  Tighten bolts on front clamp evenly to 40 Nm.
  A26-0277
–  Push rear section of exhaust system towards front of vehicle -arrow-, so that left-side mounting for rear silencer is preloaded by -a- = 5 ... 11 mm.
  A26-0485
–  When positioning clamp, make sure ends of bolts do not project below bottom of clamp.
l  Bolt connection faces to left.
–  Tighten bolts on rear clamp → Item evenly to 40 Nm.
  A26-0159
C - Aligning tailpipes
–  Adjust the rear silencer so that there is an even distance between the bumper cover cut-out and the tailpipe ends.
l  Distance -a- is the same on both sides.
t  Distance -b- = 28 mm
–  If necessary, loosen mounting for rear silencer to adjust the tailpipes.
  V26-0959

Checking exhaust system for leaks > < Removing and installing exhaust manifold