1997 AUDI A4 APB Engine Valve Gear Service Workshop Manual

15-9


When connections are incorrectly allocated, bore holes in the oil line are
exposed (arrows).
To mount correctly, turn the oil line 180 and slide connections over bore
holes.
CAUTION!
If the oil lines are mounted incorrectly, lubrication of the camshaft
bearing is no longer possible and the cylinder head must be
replaced. Fig. 3 Installation position of the oil line for the outlet camshaft
Pa
ge 9 of 99 Valve
gear, servicin
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.GE05.15.1

15-10

Oil seals in cylinder heads, replacing


Oil seal for camshaft drive (left and right
cylinder heads)

Note:
If the oil seal on one side is leaking it is advisable
to replace the seals on both sides.

- Remove ribbed belt Page 13
-1 .

- Remove toothed belt Page 13
-4 .

- Remove rear toothed belt guard.

- Pull out oil seal with oil seal extractor 3240.
- Clean contact surface and sealing surface.
- Do not apply oil to sealing lip or outer circumference of seal.
- Install guide sleeve 3241/2 (from tool set 3241) onto camshaft.

- Press seal flush into cylinder head using press sleeve 3241/1 and bolt
3241/3.
Pa
ge 10 of 99 Valve
gear, servicin
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.GE05.15.1

15-11

Oil seal at Hall sensor (right cylinder head)

- Remove intake hose going to air cleaner (arrows).

- Remove bolts -arrows- and remove engine cover panel -C-.
Pa
ge 11 of 99 Valve
gear, servicin
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.GE05.15.1

15-12


Note:
Watch position of retaining strip -2-. - Remove pressure line -1- (right side).
- Unbolt Hall sensor housing (10 Nm).
- Remove bolt securing Hall sensor rotor (20 Nm) and carefully lever off
rotor with a screwdriver.

- Screw in bolt from oil seal extractor 2085/1.
Pa
ge 12 of 99 Valve
gear, servicin
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.GE05.15.1

15-13


- Pull out seal with oil seal extractor 2085 and bolt 2085/1.
- Clean contact surface and sealing surface.
Do not apply oil to sealing lip or outer circumference of seal before
installing.
- Install guide sleeve (from tool set 3241) onto camshaft.

Installing
Install in reverse sequence.
Note:
When installing Hall sensor rotor, ensure that locating lug engages in slot
in camshaft. - Press in seal until flush using press sleeve 3241/1 and bolt 3241/3.
Pa
ge 13 of 99 Valve
gear, servicin
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.GE05.15.1

15-14

Removing oil seal at Hall sensor (left cylinder
head)

Note:
Leave coolant hoses connected. - Detach coolant reservoir -arrows- and move clear to side.
- Unplug connector from coolant level monitor.
- Move wiring harness clear at bulkhead.

- Unbolt bracket -arrows- for plug connectors on bulkhead and move
clear to side.
Pa
ge 14 of 99 Valve
gear, servicin
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.GE05.15.1

15-15

- Unbolt Hall sensor housing (10 Nm).

- Unbolt Hall sensor rotor (20 Nm) and carefully
lever off rotor using a screwdriver.

- Screw in bolt from 2085/1 oil ring extractor.

- Pull out seal with oil seal extractor 2085 and bolt 2085/1.
- Clean contact surface and sealing surface.
Do not apply oil to sealing lip or outer circumference of seal before
installing.
- install guide sleeve (from tool set 3241) onto camshaft.
Pa
ge 15 of 99 Valve
gear, servicin
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.GE05.15.1

15-16


Installing
Install in reverse sequence.
Note:
When installing Hall sensor rotor, ensure that locating lug engages in slot
in camshaft. - Press in seal until flush using press sleeve 3241/1 and bolt 3241/3.
Pa
ge 16 of 99 Valve
gear, servicin
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.GE05.15.1