Mercedes-Benz ML320. Manual - part 424
Model 215.373/375
2
Mount cylinder head
(1) onto the assembly
board (2) with the
associated insertion
plate (3)
Insert insertion plate (3) with
arrow indicating the direction of
travel (insertion plate) (4) pointing
to the front and, according to the
cylinder head, for the right or left
side into the assembly board (2).
i004 Mount cylinder head (1)with its
front end pointing to the arrow
indicating the direction of travel
(assembly board) (5) with one bolt
(6) each at the front and rear onto
the assembly board (2). The cylinder
head (1) can be mounted on the
assembly board (2) without
removing the exhaust manifold.
Assembly board
Fig. 92
3
Attach assembly tool
(valves) (7) to
cylinder head (1) and
position vertically at
the valve disk (top)
(8)
Use parts 2, 3, 4, 5, 7, 14, 19
from the valve assembly tool case
(valves) (7).
Valve assembly tools case
Fig. 89
4
Remove valve disk
(upper) (8) and valve
disk (lower) (11)
Press valve spring (9) together
with assembly tool (valves) (7),
remove split valve spring retainer
locks (10)
Check valve disk (top) (8) and
valve disk (bottom) (11) for
formation of burrs, replace if
necessary.
The valve springs (9) of the inlet
valves and exhaust valves are
identical.
Magnetic pin
Fig. 95
Magnetic finger
Fig. 90
5
Use pliers (15) to
remove valve stem
seals (12)
Installation: Fit protective sleeve
for valve stem seal (13) onto valve
stem. Oil valve stem seal (12) and
press on with drift (16). The
protective sleeve for the valve stem
seal (13) must be removed from the
valve stem after pressing on the
valve stem seal (12).
Pliers
Fig. 77
2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
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