With Self-Levelling Suspension - Mercedes-Benz 603 Service Manual

Assemble camshaft bearing cap bolts (light
arrows) and torque alternately in increments of
one turn respectively in accordance with torquing
diagram, see work stage 9.
Engine 602; camshaft bearing caps 3, 4 and 5
Engine 603; camshaft bearing caps 2, 3, 4 and 7
The remaining camshaft bearing caps (dark
arrows) can then be assembled at random.
Tightening torque 25 Nm.
17 Install camshaft timing gear according to
marking and trghten. Check strarght pin for
correct seating.
Tightening torques and angle of rotation
Hexagon bolt
Bihexagonal head bolt
18 Install chain tensioner (05-310).

With self-levelling suspension:

19 Install pressure oil pump (05-437).
20 Position engine on TDC of the No.
and check markings (arrows).
21 Install cylinder head cover. Tightening torque
10 Nm.
Turbo engine:
Install charge air pipe.
After installation:
22
Allow engine to run, check for leaks.
65 Nm,
25 Nm, 90"
1
cylinder
EXIT