sensor AUDI A4 1997 B5 / 1.G AWM Engine Cylinder Head Remove And Install Workshop Manual

15-4


10 -
Cylinder head cover gasket
Replace if damaged or leakingBefore installing gasket apply "AMV 174
004 01" to sealing points Fig. 3
and
Fig. 4
, Page 15
-8
11 -
Gasket
Always replace
12 -
Combi valve for secondary air inlet With screw connection
13 -
10 Nm
14 -
Coolant flange With coolant temperature sensor
15 -
10 Nm
16 -
O-ring Always replace
Pa
ge 5 of 42 C
ylinder head, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE06.15.1

15-10


- Unplug vacuum hoses -1 to 3-.
- Disconnect connectors as follows:
4 - on intake air temperature sensor -G42-
5 - for throttle valve control module -J338-
- Remove the air duct hose -6- from throttle valve control module.

Note:
The electrical connectors and vacuum hoses do not have to be
disconnected. - Remove retaining plate for recirculation valve for turbocharger -N249- -
1- from underneath intake line and secondary air inlet valve -N112 -2- -
arrows-.
Pa
ge 11 of 42 C
ylinder head, 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.GE06.15.1

15-11


- Disconnect connector for Camshaft Position sensor -arrow-.

Note:
Carefully protect the removed injectors from contamination. - Remove retaining bolts for fuel manifold and disconnect vacuum line
from fuel pressure regulator -arrows-.
- Remove fuel manifold together with injectors from intake manifold and
place it on a clean cloth at back of engine compartment.
Pa
ge 12 of 42 C
ylinder head, 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.GE06.15.1

15-24


- Disconnect connector -arrow- at coolant temperature sensor -G2-/-
G62-.

- Disconnect vacuum hose -arrow- from combination valve.
- Remove bolts -2- and -3- and remove coolant flange.
- Remove bracket -1- for oil feed line.
- Unclip all wiring from cylinder head and move clear to one side.
- Remove coolant hose going to heat exchanger (heater unit) at back of
cylinder head (first release retainers on connecting flange).
Pa
ge 27 of 42 C
ylinder head, 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.GE06.15.1