1999 AUDI A4 oil

15-33


1 -
Bolt
65 Nm (48 ft lb)Use 3036 retainer when loosening or
tightening
2 -
Camshaft gear For exhaust camshaftVerify correct installation position: thin rib
of camshaft gear points forward and TDC
Cyl. 1 marking is visible from front Page 15
-45

3 -
Oil seal
For exhaust camshaftAlways replace Page 15
-42
4 -
Cylinder head
Note Page 15
-32
Check valve guides, reface valve seats
Page 15
-66

Bearing cap bushings must be installed in
cylinder head Seal contact surfaces Page 15
-9 , Fig.
3
and Fig. 4

Reface valve seats Page 15
-71
5 -
Valve guide
Pa
ge 2 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-34


6 -
Valve stem oil seal
Replace Page 15
-62
7 -
Valve spring
Removing and installing Page 15
-62
8 -
Valve spring retainer
9 -
Valve keeper
10 -
Hydraulic valve lifter
Check Page 15
-60
Removing and installing Page 15
-62
Do not interchangeWhen removed, store with contact surfaces
facing down Before installing, check axial play in
camshafts Page 15
-41

Oil contact surface
11 -
Intake camshaft Using Plastigage check radial play (valve
lifters removed)
Wear range: 0.1 mm (0.004 in.)
Max. run-out: 0.01 mm (0.0004 in.)Axial play, checking Page 15
-41Pa
ge 4 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-38


23 -
Intake valve
Do not reface by grinding; only hand
lapping is allowed Valve dimensions Page 15
-39
, Fig. 1
Checking valve guides Page 15
-66
Refacing valve seats Page 15
-71
24 -
Oil seal
For intake camshaftReplacing Page 15
-42
25 -
Shutter wheel for Camshaft Position
(CMP) sensor -G40-
Note position: insert lug in camshaft notch
26 -
Washer ConicalNote position
27 -
Bolt 25 Nm (18 ft lb)
28 -
Camshaft Position (CMP) sensor -G40-
housing
29 -
Bolt 10 Nm (7 ft lb)
Pa
ge 9 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-42

Oil seals for camshafts, replacing


Cylinder head installed
Lock carrier in service position Page 13
-1

Special tools and equipment

2085 seal puller
3241 seal installer
3036 retainer

Replacing exhaust camshaft oil seal

Removing

- Remove ribbed belt and ribbed belt tensioner
Page 13
-15
.

- Remove engine covers.

- Remove upper toothed belt cover Page 13
-
29
.

-
Turn crankshaft at central bolt of toothed belt gear in direction of
Pa
ge 14 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-44


Installing - Grease threaded head of 2085 seal puller, attach and with forced
pressure screw into oil seal as far as possible.
- Loosen knurled bolt and turn inner part against crankshaft until oil seal
is removed.
- Clamp 2085 seal puller in vise at flat surfaces. Remove oil seal using
pliers.
- Lightly oil lip of oil seal.

- Place 3241/2 guide sleeve on end of camshaft.
- Slide oil seal over guide sleeve.
Pa
ge 17 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-45


- Using 3241/5 camshaft fitting tool and 3241/1 pressure sleeve, press
oil seal in to stop.

- Install camshaft gear.
Note position: thin rib of camshaft gear points outward (arrows) and
TDC Cyl. 1 marking is visible from the front.
- Using 3036 retainer, install camshaft gear retaining bolt.
Pa
ge 18 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-47

Replacing intake camshaft oil seal

Removing

- Remove ribbed belt and ribbed belt tensioner
Page 13
-15
.

- Disconnect harness connector from Camshaft Position (CMP) sensor -
G40-.
- Remove upper toothed belt cover Page 13
-29
.
- Remove housing for Camshaft Position (CMP) sensor -G40-.
- Remove shutter wheel and washer for Camshaft Position (CMP)
sensor -G40-.

- Insert 2085/1 adapter into camshaft by hand until stop to guide seal
puller.
- Unscrew inner part of 2085 seal puller two turns (approx. 3 mm or 0.12
in.) and secure using knurled bolt.
Pa
ge 20 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3

15-48


Installing - Grease threaded head of 2085 seal puller, attach and with forced
pressure screw into oil seal as far as possible.
- Loosen knurled bolt and turn inner part against crankshaft until oil seal
is removed.
- Lightly oil lip of oil seal.

- Place 3241/2 guide sleeve on end of camshaft.
- Slide oil seal over guide sleeve.
Pa
ge 21 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3