engineExhaust Manifold Torque Specsfor 2005 Lexus GS 430 4.3L V8 · RWDUnitslb-ftNm11 fastenersSeqComponentTorqueAngle—Cover Bolts14 lb-ft · 19 Nm——EGR Tube FittingCritical35 lb-ft · 47 Nm——Electrical Connector Bolts6 lb-ft · 8 Nm——Exhaust Manifold NutsCriticalApply anti-seize25 lb-ft · 34 Nm——Flange BoltsCriticalAnti-seize35 lb-ft · 47 Nm——Gasket Surface BoltsCriticalClean mating surfaces17 lb-ft · 23 Nm——Hanger Bolts15 lb-ft · 20 Nm——Heat Shield Bolts10 lb-ft · 14 Nm——Mounting BoltsCritical40 lb-ft · 54 Nm——O2 SensorCriticalApply anti-seize to threads35 lb-ft · 47 Nm——Sensor Mounting Bolts9 lb-ft · 12 Nm—📝 Suggest a correction to this torque spec