coolingWater Pump Torque Specsfor 2012 Lexus GS 350 3.5L V6 · RWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Coolant Hose ClampsSpring clamps preferred3 lb-ft · 4 Nm——Housing BoltsCritical12 lb-ft · 16 Nm——Pump BoltsCritical21 lb-ft · 28 Nm——Thermostat Housing Bolts11 lb-ft · 15 Nm——Timing Cover BoltsCriticalIf accessed16 lb-ft · 22 Nm——Water Pump BoltsCriticalTorque in sequence20 lb-ft · 27 Nm—📝 Suggest a correction to this torque spec