11 28 020 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).