11 13 000 Removing and installing, sealing or replacing oil sump (N52K)
WARNING: This page is about a different variant/trim than selected.
IMPORTANT:
When working on the engine oil, coolant or fuel circuit, you must protect the alternator against contamination.
Risk of damage!
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.
Risk of damage!
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.
IMPORTANT:
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic .
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic .
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
Necessary preliminary tasks:
- LOWER FRONT AXLE
- Drain and add ENGINE OIL
Release bolts along line (1).
Tightening torque 11 13 5AZ .
Installation:
Replace aluminum screws.
If necessary, release nuts (4). Remove oil level sensor.
Tightening torque 11 13 11AZ .
Installation:
Replace sealing ring.
IMPORTANT:
There must be no adhesive residues in the lower crankcase retaining threads.
Clean retaining threads and sealing faces.
Clean retaining threads and sealing faces.
Installation:
Replace all seals.
Assemble engine.