2000 AUDI A8 oil

15-39


- Lightly coat hatched surface of double bearing cap -1- and bearing cap
-7-...

- ...with sealant D 454 300 A2 and install bearing cap (pay attention to
alignment bushings).
- Install the other bearing caps (pay attention to alignment bushings).
- Replace oil lines for camshaft bearing lubrication and install.
- Replace oil seal for intake and exhaust camshafts page 15
-14
.
- Remove 3366 bracket tensioner.
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15-46


Note:
If irregular valve noise occurs repeatedly during short journeys and
disappears after extended driving, the oil check valves must be replaced
page 17
-9 . - Push down on valve lifters using wood or plastic wedge. If 0.20 mm
(0.008 in.) feeler gauge can be inserted between camshaft and valve
lifter, replace valve lifter.
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15-47

Valve stem oil seals, replacing


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

- Remove ribbed belt page 13
-8 .

- Remove toothed belt page 13
-12
.

- Remove camshafts page 15
-31
.

- Remove valve lifters (do not interchange) and
lay aside with contact surface facing down.

- Remove spark plugs.

- Move piston for individual cylinder to Bottom
Dead Center (BDC) position.

Note:
Lightly tap valve lever to loosen stuck valve
keepers.

Exhaust side

Note:
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15-48


- Attach 2036 adjustable rod (as shown in figure) using M6 x 40 bolts
with large washers.
- Remove valve spring using VW541/1 lever and VW541/5 valve spring
tensioner.
- Remove valve spring and valve spring plate.
- Remove valve stem oil seal using 3047A slide hammer.

- Place plastic sleeve -A- on valve stem to prevent damage to new valve
stem oil seals.
- Lightly lubricate sealing lip with oil.
- Insert valve stem oil seal -B- (without oiling outside of seal) into 3129
seal driver and carefully slide onto valve guide.
- When installing new valve, lightly oil valve stem before installing.
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15-50


- Remove valve stem oil seal using 3364 valve seat tool.

- Place plastic sleeve -A- on valve stem to prevent damage to new valve
stem oil seals.
- Lightly lubricate sealing lip with oil.
- Insert valve stem oil seal -B- (without oiling outside of seal) into 3365
seal driver and carefully slide onto valve guide.
- When installing new valve, lightly oil valve stem before installing.
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