engineExhaust Manifold Torque Specsfor 2011 Buick Lucerne 4.6L V8 · FWDUnitslb-ftNm11 fastenersSeqComponentTorqueAngle—Cover Bolts15 lb-ft · 20 Nm——EGR Tube FittingCritical42 lb-ft · 57 Nm——Electrical Connector Bolts6 lb-ft · 8 Nm——Exhaust Manifold NutsCriticalApply anti-seize30 lb-ft · 41 Nm——Flange BoltsCriticalAnti-seize44 lb-ft · 59 Nm——Gasket Surface BoltsCriticalClean mating surfaces19 lb-ft · 26 Nm——Hanger Bolts19 lb-ft · 25 Nm——Heat Shield Bolts12 lb-ft · 16 Nm——Mounting BoltsCritical44 lb-ft · 60 Nm——O2 SensorCriticalApply anti-seize to threads42 lb-ft · 57 Nm——Sensor Mounting Bolts10 lb-ft · 14 Nm—📝 Suggest a correction to this torque spec