seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Checking exhaust system for leaks > < Removing and installing catalytic converter
Exhaust system: install without stress
Exhaust system: install without stress
l  The exhaust system must be aligned when it is cool.
Vehicles without clamps between centre silencer and rear silencer
l  The exhaust system must be aligned when it is cool.
–  Loosen the bolts of the front clamp → Item.
   
–  Push exhaust system towards front of vehicle -arrow-, so that rubber mounting (right-side) for centre silencer is preloaded by -a- = 5 ... 9 mm.
–  Tighten bolts on front clamp → Item evenly to 23 Nm.
–  Align the tailpipes → Anchor.
Vehicles with clamps between centre silencer and rear silencer
l  On vehicles with clamps fitted between centre silencer and rear silencers, it is also necessary to align the rear silencer.
–  Loosen bolts for front clamp → Item and rear clamps → Item.
  A26-0101
–  Push front section of exhaust system towards front of vehicle -arrow-, so that rubber mounting (right-side) for centre silencer is preloaded by -a- = 5 ... 9 mm.
–  Tighten bolts on front clamp → Item evenly to 23 Nm.
  A26-0101
–  Push rear section of exhaust system towards front of vehicle -arrow- until rear mountings for rear silencer are preloaded by -a- = 7 ... 11 mm.
–  Horizontally align rear silencer.
–  Tighten bolts on rear clamps → Item evenly to 23 Nm.
–  Align the tailpipes → Anchor.
Aligning tailpipes
  A26-0098
–  Check the distance from the left and right tailpipe to the bumper:
l  Dimension -x- (left-side) = dimension -x- (right-side)
If necessary, correct dimension x as follows:
  A26-0471
–  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- = more than 20 mm.
l  Dimension -z- = 10 ... 16 mm.
–  If necessary, check whether the exhaust system is aligned free of stress → Chapter.
  A26-0472

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