engineHarmonic Balancer Torque Specsfor 2012 GMC Sierra 1500 5.3L V8 · RWDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Bolts15 lb-ft · 20 Nm——Crankshaft Pulley BoltOften TTY - check spec, may require impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL133 lb-ft · 180 Nm——Gasket Bolts19 lb-ft · 25 Nm——Harmonic Balancer BoltOften TTY, may need impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL133 lb-ft · 180 Nm——Mounting Bolts25 lb-ft · 34 Nm——Mounting Bolts44 lb-ft · 59 Nm——Sensor Bolts10 lb-ft · 14 Nm—📝 Suggest a correction to this torque spec