1997 AUDI A4 AWM Engine Cylinder Head Remove And Install Workshop Manual

15-22


- Disconnect connectors as follows:
1 - on ACF valve (in addition, remove ACF valve from air filter housing)
2 - on air mass meter
3 - on solenoid valve for charge pressure control -N75-
- Disconnect hose connections, move wiring aside and remove air filter
housing -arrows-.

- Disconnect connector -arrow- from camshaft adjuster.
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15-23


- Remove line of crankcase vent -1-.
- Remove hose of crankcase venting from cylinder head cover.
- Remove line -1- from combination valve for secondary air inlet on
cylinder head cover and from heat shield -3- (engine code ANB only).
- Slightly swivel secondary air inlet line to side.
- Remove heat shield.

- Remove bolts -1- and -2- of oil feed line.
- Remove bolts -3- for exhaust turbocharger.
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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).
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p://127.0.0.1:8080/audi/servlet/Dis
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15-25

- Remove upper toothed belt guard Page 13
-
35
.

- Set crankshaft to markings for TDC of No. 1 cylinder by turning central
bolt on crankshaft sprocket in direction of rotation -arrows-.

- Attach socket head fastener T10092 into tensioner.
- Only tension pressure piston of tensioner until piston is secured with
pin T40011.
- Remove toothed belt from camshaft sprocket.
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ylinder head, removin
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pair&id=AUDI.B5.GE06.15.1

15-26


- Disconnec Ground wire -2-.
- Disconnect connectors -3-.
- Move lines and hoses aside.
- Remove ignition coils -1-.

- Loosen nuts -arrows- for cylinder head cover and remove cylinder head
cover.
- Remove both oil deflectors.
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ylinder head, removin
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p://127.0.0.1:8080/audi/servlet/Dis
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15-27


- Loosen cylinder head bolts in correct sequence.
- Remove cylinder head.
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ylinder head, removin
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p://127.0.0.1:8080/audi/servlet/Dis
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pair&id=AUDI.B5.GE06.15.1

15-28

Cylinder head, installing


Note:

Always replace the cylinder head bolts.
When performing repairs, replace seals,
gaskets, self-locking nuts and bolts which have
a specified tightening angle.
Secure all hose connections with the correct
hose clips (same as original equipment):

Parts List

If repairing, carefully remove any remains of
gasket material from the cylinder head and
cylinder block. Make sure that no long scores or
scratches are made on the surfaces.
Carefully remove any remaining emery and
abrasive material.
Remove new cylinder head gasket from
packaging, just before installation.
Handle gasket extremely carefully. Damaging
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the silicone layer or the indented area will lead
to leaks.
No oil or coolant must be allowed to remain in
the blind holes for the cylinder head bolts in the
cylinder head.

- Before positioning cylinder head, set crankshaft and camshaft to TDC
of cylinder 1.
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ge 32 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