11 28 010 Replacing alternator drive belt (N52K)
WARNING: This page is about a different variant/trim than selected.
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:
- Remove FAN COWL with electric fan
Drive belt route
Turn belt tensioner (1) in direction of arrow until bore is flush on housing.
Secure belt tensioner (1) with special tool 11 3 340 .
Load is removed from tensioning pulley (2).
Remove drive belt upwards.
Assemble engine.
Installation:
Check drive belt for correct installation position and, if reusing, observe direction of rotation. Risk of damage .