maintenanceDifferential Service Torque Specsfor 2012 GMC Sierra 2500HD 6.0L V8 Vortec · 4WDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Air Box Clips4 lb-ft · 5 Nm——Cover BoltsCriticalRTV sealant34 lb-ft · 46 Nm——Cover Screws11 lb-ft · 15 Nm——Drain PlugCriticalNew washer41 lb-ft · 55 Nm——Fill PlugCritical41 lb-ft · 55 Nm——Mounting Bolts27 lb-ft · 37 Nm——Oil Drain PlugCriticalUse new crush washer26 lb-ft · 35 Nm——Wheel Lug NutsCriticalTorque in star pattern103 lb-ft · 140 Nm—📝 Suggest a correction to this torque spec