oil change AUDI A6 1999 C5 / 2.G AEB ATW Engines Valvetrain Servicing Workshop Manual

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
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15-62

Valve stem oil seals, replacing


Cylinder head installed

Special tools and equipment
VW653/3 pressure hose
3122B spark plug removal tool
3362 valve spring tool and 3362/1 pressure
piece
3364 valve seat tool
3365 valve stem seat fitting tool

Removing

- Remove camshafts and hydraulic chain
tensioner Page 15
-50
.

- Remove valve lifters and lay aside with camshaft
contact surface facing down. Be careful not to
interchange valve lifters.

-
Using 3122B spark plug removal tool, remove all
Pa
ge 37 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