Customer may experience a moan noise from the front brakes. To remedy this, Volvo Cars has developed an Active damper for FNR 16.5" and 17.5" front brakes. If you complains of this symptom, assemble the Active damper on concerned cars according to the attached instructions.   Front brake caliper - Product fix: Absorber. PN: 31423727 XC60: 2010-2016 XC70: 2008-2016 V60/V60CC: 2015-2016 S60: 2011-2016     Remove the screws. On both sides.   INSTALLATION NOTE: Note the position 1. Torque: M6, 10 Nm 2. Torque: - Stage 1: Vibration damper bolt, to Brake caliper, M12, 35 Nm - Stage 2: Vibration damper bolt, to Brake caliper, M12, 60В°   On both sides. On both sides. Install the marked component.