12 31 020 Removing and installing alternator (N52T)
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IMPORTANT:
Aluminum-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 work:
- Switch off ignition.
- Disconnect BATTERY EARTH LEAD .
- Remove INTAKE SILENCER HOUSING .
- Remove ALTERNATOR DRIVE BELT .
Release connector (1) and remove.
Slacken nut (2).
Installation note:
Tightening torque 12 42 1AZ .
Disconnect positive battery cable from alternator.
Release screws (3) and remove alternator.
Installation note:
Replace aluminum screws.
Tightening torque 12 31 1AZ .
Assemble engine.