air filter AUDI A4 2000 B5 / 1.G AWM Engine Exhaust System Components Workshop Manual

26-21

Exhaust manifold, removing and
installing


Removing

Note:
The flexible connection in the front exhaust pipe
must not be deflected more than 10 or it may be
damaged.

- Remove engine cover panel -arrows-.

- Remove air filter cover -arrow-.
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play?action=Goto&t
yp
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pair&id=AUDI.B5.GE06.26.1

26-22


- Remove bolts -arrows-.
- Remove air duct -1- and -2-.

- Disconnect wiring connectors as follows:
1 - on ACF valve (in addition, remove ACF valve from air filter housing)
2 - on mass air flow sensor
3 - on Wastegate Bypass Regulator valve -N75-
- Remove hose connections, move wiring aside and remove air filter
housing -arrows-.
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE06.26.1

26-29


- Remove air filter cover -arrow-.

- Remove bolts -arrows-.
- Remove air duct -1- and -2-.
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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

26-30


- Disconnect wiring connectors as follows:
1 - on ACF valve (in addition, remove ACF valve from air filter housing)
2 - on mass air flow sensor
3 - on Wastegate Bypass Regulator valve -N75-
- Disconnect hose connections, move wiring aside and remove air filter
housing -arrows-.
- Loosen bolted connection of front exhaust pipe/catalytic converter
accessible from above.

- Undo bolts -arrows- of exhaust turbocharger/catalytic converter.
- Remove catalytic converter upward.
Pa
ge 30 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