Get Cylinder head, valve gear -> 2.6 Renewing valve stem seals Guide for Volkswagen Touareg SUV First Generation (2002-2010)

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Touareg 2003 ➤

8-cylinder injection engine - Edition 11.2011

2.5

Removing and installing roller rocker fin‐

ger

Special tools and workshop equipment required

♦ Torque wrench (5…50 Nm) -V.A.G 1331-

Procedure

– Remove engine ⇒ page 2 .

– Remove camshafts with camshaft adjuster ⇒ page 56 .

– Mark allocation of roller rocker fingers and roller rocker finger

shafts in order to ensure correct reinstallation.

– Remove securing bolts -arrows-.

– Then, screw in M6 bolts into shaft holes and pull shafts out of

cylinder head.

– Remove roller rocker fingers.

Note

♦ O-rings for shafts must always be renewed.

♦ Oil bearing points of roller rocker fingers.

– When installing, tighten shaft securing bolts to 10 Nm.

Further assembly is basically the reverse of the dismantling se‐

quence.

2.6

Renewing valve stem seals

Removing ⇒ page 63 .

Installing ⇒ page 65 .

62

Rep. gr.15 - Cylinder head, valve gear

Touareg 2003 ➤

8-cylinder injection engine - Edition 11.2011

Special tools and workshop

equipment required

♦ Spark plug socket and ex‐

tension -3122 B-

♦ Valve stem seal puller

-3364-

♦ Valve stem seal fitting tool

-3365-

♦ Adapter -T40012-

♦ Torque wrench (5…50 Nm)

-V.A.G 1331-

♦ Dismantling and assem‐

bling device for valve cot‐

ters -VAS 5161-

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2.6.1

Removing

– Remove engine ⇒ page 2 .

– Remove camshafts with camshaft adjuster ⇒ page 56 .

– Remove spark plugs using spark plug socket and extension

-3122B- .

– Swivel roller rocker fingers upwards and secure them with a

rubber strap.

2. Repairing valve gear

63

Touareg 2003 ➤

8-cylinder injection engine - Edition 11.2011

– Fit guide plate -VAS 5161/7- onto cylinder head as shown in

illustration.

– Secure guide plate using the knurled screws -VAS 5161/12- .

– Insert drift -VAS 5161/3- into guide plate and knock valve cot‐

ters loose using a plastic hammer.

– Screw toothed piece -VAS 5161/6- with -VAS 5161/5- into

guide plate -VAS 5161/7- .

– Insert assembly cartridge -VAS 5161/8- into guide plate -VAS

5161/7- .

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– Screw adapter -T40012- into spark plug thread, connect to

compressed air line with commercially available adapter and

apply constant pressure (at least 6 bar).

– Attach pressure fork -VAS 5161/2- to snap-in device -VAS

5161/6- and push assembly cartridge down.

– At the same time, turn knurled screw of assembly cartridge

clockwise until tips engage in valve cotters.

– Move knurled screw back and forth lightly to press apart valve

cotters and to capture them in the assembly cartridge.

– Release pressure fork and remove assembly cartridge from

guide plate.

– Remove guide plate from cylinder head.

Note

The compressed air line remains connected.

– Pull off valve stem seals using valve stem seal puller -3364- .

64

Rep. gr.15 - Cylinder head, valve gear

Touareg 2003 ➤

8-cylinder injection engine - Edition 11.2011

2.6.2

Installing

– To prevent damage to new valve stem seals, place plastic

sleeve -A- on valve stem.

– Lubricate sealing lip of valve stem seal -B-, place it in the valve

stem oil seal fitting tool -3365- and push carefully onto valve

guide.

– Remove plastic sleeve -A-.

If the valve cotters have been removed from the assembly item

then they must be inserted into the insertion device -VAS

5161/18- .

Note

Larger diameter faces upwards.

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– Insert valve spring and valve spring plate.

– Secure guide plate -VAS 5161/7- back to cylinder head.

– Insert assembly cartridge -VAS 5161/8- into guide plate.

– Press pressure fork down and pull knurled screw upwards.

This causes the valve cotters to be inserted.

– Release pressure fork with knurled screw still in pulled posi‐

tion.

– Install camshafts with camshaft adjuster ⇒ page 56 .

Adjusting valve timing ⇒ page 34 .

Note

♦ After installing camshafts wait for approx. 30 minutes before

starting engine. Hydraulic compensating elements must settle.

(Valves will otherwise contact piston).

♦ After working on valve mechanism, carefully turn engine by

hand to ensure that no valve strikes piston when engine is

started.

2.7

Checking valve guides

Special tools and workshop equipment required

2. Repairing valve gear

65

Cylinder head, valve gear -> 2.6 Renewing valve stem seals for Your Volkswagen Touareg SUV First Generation (2002-2010)

Related Topics

Cylinder head, valve gear

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