12 31... Replacing alternator belt pulley
Special tools required:
- 12 7 121
- 12 7 122
- 12 7 123
Necessary preliminary tasks
- Remove drive belt.
Procedure with special tool 12 7 121 .
Illustration shows N42:
If fitted, remove protective cap from belt pulley.
Depending on the alternator version, hold down alternator axis with:
- Torx key
- Hold inner multi-wrench tool (special tool 12 7 122).
Release freewheel with special tool 12 7 121 and remove.
Installation note:
Tightening torque 12 31 8AZ .
Procedure with special tool 12 7 123 .
Depending on the alternator version, hold down alternator axis with:
- Torx key
- Hold inner multi-wrench tool (special tool 12 7 122).
Release freewheel with special tool 12 7 123 and a ring spanner and remove.
Installation note:
Tightening torque 12 31 8AZ .