Group
21 Engine
Cylinder head, installing
M11
H6
Position camshaft
Sel
camshaft so lhat
number 1
cylinder
is
at
injection
(both
cam lobes should
point
diagonally upwards).
Prevent
camshaft
from moving with
stop 5190.
lmportant! Camshaft must be locked otherwise valves
Cylinder head bolts
Two types of cylinder
head bo ts are in use.
Early type bolts have M 11 threads.
These bolts can be
reused with new
washers- Fit washers with c!p shape
facing up.
Late type bolts have fM 12 threads along
entire length.
These bo
ts mustnot be
reused Washers
may however
Install cylinder head
bolts
Lubricate
threads and
sliding su rface of washers. Place
bolts in ho
es
wilhout guide pins.
Remove
g!ide pins.
Use tool
5235.
Install remaining
bolts.
I
]L
o
i!
I
+
47
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