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Removal and installation of the pressure oil pump drive - ra05006010437x(0437)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Engines 601, 602 (except 602.98), 603 

Preceding work:

Boost air pipe removed (turbo engines).

Fig 1: Identifying Pressure Oil Pump Drive Components
G05438455Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Cylinder head cover (125) remove, install, fastening bolt (132), 10 Nm.
Pressure oil pump (400) unscrew, screw on, fastening bolt (408) with washers (408a), 11 Nm, put pressure oil pump to one side with lines connected.
NOTE: Do not unscrew the upper and lower bolt with continuous thread (visible between housing and cover).
O-ring (404) replace.
Carrier (403) remove, install, check.
Bolt (407) unscrew, screw on. Note different bolt (05-220).
Tightening torque and tightening angle Hexagon bolt 25 Nm, Bihexagonal necked down bolt 25 Nm, 90°.
Carrier sleeve (406) remove, install. Use grease when installing. Note different design (05-220).
NOTE: Since 11/88 the camshaft timing gear has been fitted with a 12-point necked down bolt M11 (previously hexagon bolt M10). The carrier has been modified as a result of this change.
Fig 2: Identifying Bolt Dimension
G05438456Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Special tool 

Fig 3: Identifying (001 589 72 21 00)
G05438447Courtesy of MERCEDES-BENZ OF NORTH AMERICA.