Valve Gear; Assembly Overview - Valve Gear - Volkswagen Amarok 2011 Workshop Manual

Amarok 2011 ➤
4-cylinder injection engine (2.0 l direct injection engine, turbocharger) - Edition 02.2011
3

Valve gear

3.1

Assembly overview - valve gear

1 - Exhaust valve
❑ Do not rework. Only lap‐
ping in is permitted.
❑ Valve dimensions
⇒ page 94 .
❑ Checking valve guides
⇒ page 112 .
2 - Cylinder head
3 - Valve guide
❑ Check ⇒ page 112
4 - Valve stem seal
❑ Renew: with cylinder
head fitted
⇒ page 109 , with cylin‐
der head removed
⇒ page 109
5 - Valve spring
6 - Valve spring plate
7 - Valve cotters
8 - Hydraulic compensation el‐
ement
❑ Do not interchange.
❑ Oil contact surface.
9 - Exhaust camshaft
❑ Removing and installing
⇒ page 94 .
❑ Check radial clearance
with Plastigage (roller
rocker fingers re‐
moved).
❑ Radial clearance:
0.024 ... 0.066 mm.
❑ Runout: max. 0.04 mm.
10 - Cylinder head cover
❑ With integrated camshaft bearings.
❑ Clean sealing surface; reworking not permitted.
❑ Remove sealant residue.
11 - Bolt
❑ Renew.
❑ Loosen ⇒ page 93
❑ Tightening sequence
12 - O-ring
❑ Renew.
❑ Lubricate with engine oil
92
Rep. gr.15 - Cylinder head, valve gear
.
⇒ page 93 .