Oil Pan: Service and Repair

11 13 000 Removing and installing, sealing or replacing oil sump (N52T)





Important!
When performing repair work on the engine oil, coolant or fuel circuit, you must protect the alternator against dirt contamination.
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 aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without colour 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 work:
^ Remove front axle differential.
^ Drain and add engine oil.





Release bolts along line (1).

Tightening torque 11 13 2AZ.

Installation note:
Replace aluminium screws.

Detach transmission oil lines from oil sump.

Tightening torque 11 13 10AZ.

Release screws (3), gearbox to oil sump.

Tightening torque 11 13 8AZ.

If necessary, release nuts (4). Remove oil level sensor.

Tightening torque 11 13 9AZ.

Installation note:
Replace sealing ring.

Important!
There must be no adhesive residues in the lower crankcase section retaining threads.
Clean retaining threads and sealing surfaces.

Installation note:
Replace all gaskets.





Assemble engine.

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