Oil Pan: Service and Repair

11 13 000 - Removing and installing, sealing or replacing oil sump (N52) AWD





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.
Aluminium screws/bolts are permitted with and without
color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
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 Securing Engine In Installation Position (N52, N53).
- Lower front axle Lowering/Raising Front Axle Carrier (AWD).
- Remove left drive shaft Removing and Installing/Replacing Left or Right Output Shaft.
- Remove right drive shaft Removing and Installing/Replacing Left or Right Output Shaft.
- Remove front axle differential Removing and Installing/Replacing Front Differential.





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 bolts along line (1).
Tightening torque: 11 13 1AZ [1][2]11 13 Oil Sump.

Installation Note:
Replace aluminium screws.
Replace all seals.

If necessary, release bolts (4), remove oil level sensor.

Note:
Illustration shows N52.





Assemble engine.