engineHarmonic Balancer Torque Specsfor 2012 GMC Sierra 2500HD 6.0L V8 Vortec · 4WDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Cover Bolts16 lb-ft · 22 Nm——Gasket BoltsCritical20 lb-ft · 27 Nm——Harmonic Balancer BoltCriticalInstall new bolt: 37 lb-ft + 140 degrees.37 lb-ft · 50 Nm140°—Mounting BoltsCritical47 lb-ft · 64 Nm——Mounting Bolts27 lb-ft · 37 Nm——Sensor Bolts11 lb-ft · 15 Nm—📝 Suggest a correction to this torque spec