Modifications In Area Of Timing Chain Case; Production Change For Protection Against Cracks In Water Jacket - Mercedes-Benz 603 Service Manual

Modifications in area of timing chain case

For production reasons the height of the bridge
in the cylinder head in the area of the timing
chain case was increased to 32 mm (previously
12
mm).
This modification made it necessary to change
the dimensions of the two cylinder head bolts
(arrow). The new bolt length is M 8 x 50 (pre-
viously M 8 x 30).
Production breakpoint: 09/87
201.126 1602.911 1052292
not avadable
Production change for protection against
cracks in water jacket
The bolt flutes on the exhaust side have been
reinforced and the recesses (hollows) between
the coolant ducts on the outlet side filled to
prevent cracks in the cylinder head water jacket.
The baseplate on the intake side was reinforced
from previously 11 mm to 14 mm.
01.10 - 400/3
Engine end no.
011264
Vehicle ident. end no.
EXIT