engineMain Bearings Torque Specsfor 2012 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDUnitslb-ftNm9 fastenersSeqComponentTorqueAngle—Cover Bolts16 lb-ft · 22 Nm——Electrical Connector Bolts7 lb-ft · 9 Nm——Gasket BoltsCritical15 lb-ft · 20 Nm——Gasket Surface BoltsCriticalClean mating surfaces20 lb-ft · 27 Nm——Main Cap BoltsCritical1) 74 lb-ft. 2) +90 degrees.74 lb-ft · 100 Nm90°—Main Cap Side BoltsCriticalTighten side bolts last.52 lb-ft · 70 Nm——Mounting BoltsCritical47 lb-ft · 64 Nm——Sensor Bolts8 lb-ft · 11 Nm——Sensor Mounting Bolts11 lb-ft · 15 Nm—📝 Suggest a correction to this torque spec