fuelFuel Tank Torque Specsfor 2012 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDUnitslb-ftNm11 fastenersSeqComponentTorqueAngle—Bracket Bolts15 lb-ft · 20 Nm——Cover Screws8 lb-ft · 11 Nm——Filler Neck Clamp3 lb-ft · 4 Nm——Filter Bracket11 lb-ft · 15 Nm——Fuel Line FittingsCriticalUse new O-rings18 lb-ft · 25 Nm——Fuel Rail BoltsCritical20 lb-ft · 27 Nm——Line FittingsCriticalUse new O-rings27 lb-ft · 37 Nm——Mounting Bolts20 lb-ft · 27 Nm——Pressure Regulator Screws7 lb-ft · 9 Nm——Pump MountingCritical14 lb-ft · 19 Nm——Tank Strap Bolts26 lb-ft · 35 Nm—📝 Suggest a correction to this torque spec