Replacing Tensioning Device for Alternator Drive Belt

11 28 020 Replacing Tensioning Device For Alternator Drive Belt (N63)

Special tools required:







Necessary preliminary work:
- Remove alternator drive belt







If necessary, remove special tool 11 0 390
Release screw (1).
Tightening torque 11 28 1AZ.
Remove belt tensioner with idler pulley (2).