wheel AUDI A4 1999 B5 / 1.G AWM Engine Exhaust System Components Workshop Manual

26-2


Vehicles with front-wheel drive

1 -
25 Nm
2 -
Mounting
3 -
25 Nm
4 -
Mounting
5 -
25 Nm
6 -
25 Nm
Replace
7 -
30 Nm Always replace
8 -
Gasket Always replace
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26-9


Vehicles with all-wheel drive

1 -
Center muffler
Center and rear mufflers are one unit as
original equipment. In cases of repair
replace individually Cutting point Page 26
-20
Align exhaust system so it is free of stress
before tightening clamp Page 26
-37

2 -
25 Nm
3 -
Mounting
4 -
25 Nm
5 -
25 Nm
Always replace
6 -
30 Nm Always replace
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26-19

Vehicles with front wheel drive:

WARNING!
Wear protective goggles. - Cut exhaust pipe at right angles using body saw, e.g. VAG 1523 A, at
position marked -arrow-.
- When installing, position clamp centrally over saw cut.


Installation position of clamp -1-: Horizontally, bolted connections
face rear left wheel Fig. 2
, Page 26
-8
- Ensure exhaust system is aligned stress-free Page 26
-34
.
- Tighten bolted connections on clamp evenly to 40 Nm.
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26-20

Vehicles with all-wheel drive:

WARNING!
Wear protective goggles. - Cut exhaust pipe at right angles using body saw, e.g. VAG 1523 A, at
position marked -arrow-.
- When installing, position clamp centrally over saw cut.


Installation position of clamp -1-: Horizontally, bolted connections
face rear left wheel Fig. 2
, Page 26
-15

- Ensure exhaust system is aligned stress-free Page 26
-37
.
- Tighten bolted connections on clamp evenly to 40 Nm.
Pa
ge 20 of 41 Exhaust s
ystem com
ponents, removin
g and installin
g
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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
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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
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yp
e=re
pair&id=AUDI.B5.GE06.26.1