engineHead Gaskets - Both Torque Specsfor 2002 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Camshaft Cap BoltsCriticalTorque sequence12 lb-ft · 16 Nm——Cylinder Head BoltsCriticalMulti-step + angle65 lb-ft · 88 Nm——Cylinder Head Bolts (M12)Critical1) 37 lb-ft. 2) 59 lb-ft. 3) +60 degrees. 4) +60 degrees.37 lb-ft · 50 Nm120°—Cylinder Head Bolts (M8)CriticalTighten small bolts to 18 lb-ft last.18 lb-ft · 25 Nm——Exhaust Manifold NutsCritical25 lb-ft · 34 Nm——Intake Manifold BoltsCritical18 lb-ft · 24 Nm——Valve Cover BoltsCritical10 lb-ft · 14 Nm—📝 Suggest a correction to this torque spec