tow AUDI A4 1998 B5 / 1.G AWM Engine Exhaust System Components Workshop Manual

26-34

Stress-free alignment of the exhaust
system - Vehicles with front wheel drive


Vehicles without clamp between center
muffler and rear muffler

The exhaust system must be aligned when
cold.

- Loosen bolted connections on front clamp -Item
16 -, Page 26
-5 .

Aligning tailpipes - Push exhaust system toward front of vehicle -arrow- so that rear
mounting of rear muffler is pre-loaded by amount -a- = 9 to 11 mm.
- Tighten bolted connections on clamp evenly to 40 Nm.

Align tailpipes so that the distance -a- is the same on both sides.
At the same time, distance -b- must be obtained between the bumper cut-
out and the tailpipe:

Dimension b = min. 24 mm
Pa
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yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-35

Vehicles with clamp between center muffler
and rear muffler

The exhaust system must be aligned when
cold.

Note:
It is only necessary to additionally align the
center muffler on vehicles with a clamp installed
between the center and rear mufflers.

- Loosen bolted connections on front -Item 16 -,
Page 26
-5 and rear clamps -Item 21 -, Page
26
-6 .

- Push front section of exhaust system toward front of vehicle -arrow-
until preloading at right-hand mounting of center muffler is -a- = 7 to 9
mm.
- Tighten bolts on front clamp -Item 16 -, Page 26
-5 evenly to 40 Nm.
Pa
ge 36 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-36


Aligning tailpipes - Push rear part of exhaust system towardsfront of vehicle -arrow- so
that rear mounting on rear muffler is preloaded by -a- = 9 to 11 mm.
- Tighten bolts on rear clamp -Item 21 -, Page 26
-6 evenly to 40 Nm.

Align tailpipes so that distance -a- is the same on both sides.
At the same time, distance -b- must be obtained between the bumper cut-
out and the tailpipe:

Dimension b = min. 24 mm
Pa
ge 37 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-37

Stress-free alignment of exhaust system
- Vehicles with all-wheel drive


Vehicles without clamp between centre
silencer and rear silencer
The exhaust system must be aligned when
cold.

- Loosen bolted connections on clamp -Item 15 -,
Page 26
-12


Aligning tailpipes - Push rear silencer towards front of vehicle -arrow- so that rear right
mounting on rear silencer is preloaded by a = 9...11 mm.
- Tighten bolted connections on clamp evenly to 40 Nm.

- Align tailpipes so that distance -a- is the same on both sides.
- At the same time, distance -b- must be obtained between bumper cut-
out and tailpipe:

Dimension b = min. 24 mm
Pa
ge 38 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-38

Vehicles with clamp between centre silencer
and rear silencer
The exhaust system must be aligned when
cold.

Note:
It is only necessary to additionally align the
centre silencer on vehicles with clamp fitted
between centre silencer and rear silencer.

- Slacken bolted connections on clamp -Item 15 -,
Page 26
-12
and -Item 22 -, Page 26
-14
.

- Push exhaust system towards front of vehicle -arrow- so that rear right
mounting on centre silencer is preloaded by a = 7...9 mm.
- Tighten bolts on front clamp -Item 15 -, Page 26
-12
evenly to 40
Nm.
Pa
ge 39 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-39


Aligning tailpipes - Push rear silencer towards front of vehicle -arrow- so that rear right
retainer on rear silencer is preloaded by a = 9...11 mm.
- Tighten bolts on rear clamp -Item 22 -, Page 26
-14
evenly to 40 Nm.

- Align tailpipes so that distance -a- is the same on both sides.
- At the same time, distance -b- must be obtained between bumper cut-
out and tailpipe:

Dimension b = min. 24 mm
Pa
ge 40 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1