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Audi Workshop Service and Repair Manuals

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

A3 Mk2

Aligning exhaust system
Aligning exhaust system
l  The exhaust system must be aligned when it is cool.
l  Tightening torques → Chapter „Silencers - exploded view“
–  Loosen bolts on front clamp → Item.
   
–  Push exhaust system towards front of vehicle -arrow- so that mounting for rear silencer is preloaded by -a- = 15 ... 17 mm.
  A26-0733
–  Position the clamp at the angle shown.
l  Bolt connections face to right.
l  Nuts face upwards.
l  α = approx. 20°
–  Tighten bolt connections on clamp evenly.
  A26-10447
Aligning tailpipes:
–  Align tailpipes so that distance -a- (left-side) is the same as distance -a- (right-side).
–  At the same time, distance -b- must be obtained between bumper cut-out and top of tailpipes.
t  Dimension b = at least 21 mm
–  If necessary, unfasten rear silencer mounting to align tailpipes.
  V26-0959

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