engineSerpentine Belt Torque Specsfor 2012 McLaren MP4-12C 3.8L V8 Twin Turbo · RWDUnitslb-ftNm2 fastenersSeqComponentTorqueAngle—Belt Tensioner Bolt41 lb-ft · 55 Nm——Idler Pulley Bolt33 lb-ft · 45 Nm—📝 Suggest a correction to this torque spec