Drive Belt: Service and Repair
11 28 010 - Replacing alternator drive belt (N52)
Special tools required:
- 11 3 340 11 3 340 Locking Pin (2 Pieces)
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 fan cowl Service and Repair.
- Mark the direction of rotation of the drive belt if it is to be reused.
Turn belt tensioner (4) in direction of arrow until bore (2) is flush on housing.
Hold belt tensioner (4) under tension.
Secure belt tensioner with special tool 11 3 340 11 3 340 Locking Pin (2 Pieces).
Note:
Illustration N42.
Remove drive belt (1) towards top.
Assemble engine.
Installation Note:
Check that drive belt for is in correct installation position - risk of damage.