Note On Connecting Rod Versions; Overheated Connecting Rods; Connecting Rod Width - Mercedes-Benz 603 Service Manual

Diesel engines
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Note on connecting rod versions

The axial play of the connecting rods is limited
by the piston pin eye (piston-guided connecting
rods). For this purpose appropriate thrust
surfaces (arrow) are cast on the piston pin eye.
Connecting rods for engines 602.96, 603.96/97
are not bored hollow.

Overheated connecting rods

Connecting rods which have been overheated
due to a damaged bearing (blue discoloration)
cannot be reused.
Matching connecting rods and connecting rod
bearing caps are marked (arrow). The connect-
ing rod shafts should not have any transverse
score marks or notches.
Replacement connecting rods are supplied with
machined connecting rod bushings.

Connecting rod width

Connecting rod width (B) on engines 602 and
603 from start of production is 22 mm.
03.10 - 313/3

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