coolingRadiator Torque Specsfor 2000 GMC Sierra 2500HD 6.0L V8 Vortec · 4WDUnitslb-ftNm11 fastenersSeqComponentTorqueAngle—Cover Screws11 lb-ft · 15 Nm——Drain PetcockPlastic - hand tight4 lb-ft · 5 Nm——Fan Bolts11 lb-ft · 15 Nm——Hose ClampsDo not overtighten4 lb-ft · 5 Nm——Housing BoltsCritical14 lb-ft · 18 Nm——Mounting Bolts27 lb-ft · 37 Nm——Pump BoltsCriticalTorque in sequence24 lb-ft · 33 Nm——Radiator Mount BoltsDo not overtighten plastic mounts9 lb-ft · 12 Nm——Thermostat Housing BoltsCritical14 lb-ft · 19 Nm——Transmission Cooler LinesIf equipped18 lb-ft · 25 Nm——Upper/Lower Hose Clamps2 lb-ft · 3 Nm—📝 Suggest a correction to this torque spec