engineValve Spring - Single Torque Specsfor 2007 Chevrolet Impala 3.5L V6 · FWDUnitslb-ftNm10 fastenersSeqComponentTorqueAngle—Cover Bolts14 lb-ft · 19 Nm——Electrical Connector Bolts6 lb-ft · 8 Nm——Gasket BoltsCritical17 lb-ft · 23 Nm——Gasket Surface BoltsCriticalClean mating surfaces17 lb-ft · 23 Nm——Mounting BoltsCritical40 lb-ft · 54 Nm——Rocker Arm BoltsCriticalTighten with cam lobe pointing away22 lb-ft · 30 Nm——Sensor Bolts9 lb-ft · 12 Nm——Sensor Mounting Bolts9 lb-ft · 12 Nm——Spark Plugs - Aluminum HeadCriticalApply anti-seize to threads15 lb-ft · 20 Nm——Valve Cover BoltsTighten in sequence7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec