exhaustMuffler Torque Specsfor 2016 GMC Sierra 1500 5.3L V8 · 4WDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Clamp BoltsCritical40 lb-ft · 54 Nm——Flange BoltsCriticalApply anti-seize30 lb-ft · 41 Nm——Hanger Bolts15 lb-ft · 20 Nm——Hanger Bracket Bolts18 lb-ft · 25 Nm——Heat Shield Bolts12 lb-ft · 16 Nm——Manifold NutsCriticalApply anti-seize31 lb-ft · 42 Nm——Muffler Clamps41 lb-ft · 55 Nm——O2 SensorCriticalApply anti-seize to threads44 lb-ft · 60 Nm—📝 Suggest a correction to this torque spec