11 13 000 Removing and installing, sealing or replacing oil sump (N52)
IMPORTANT:
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Remove engine splash guard.
- Secure engine in Installation Position.
- Lower Front Axle.
NOTE:
The lines must be detached from the engine oil sump in the case of the optional extra automatic transmission; if necessary, detach vane pump and place to one side.
Release bolts (3) on transmission.
Detach return hose (2).
Release screws along line (1).
For tightening torque refer to 11 13 1AZ in 11 13 OIL PAN (N52) .
Installation:
Replace aluminium screws.
If necessary, release bolts (4), remove oil level sensor.
Installation:
Replace all seals.
Assemble engine.