coolingHeater Core Torque Specsfor 2002 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Dashboard Screws2 lb-ft · 3 Nm——Heater Core Mounting6 lb-ft · 8 Nm——Heater Hose Clamps2 lb-ft · 3 Nm——Hose Clamps3 lb-ft · 4 Nm——Housing BoltsCritical10 lb-ft · 14 Nm——Mounting Bolts20 lb-ft · 27 Nm——Pump BoltsCritical18 lb-ft · 24 Nm—📝 Suggest a correction to this torque spec