engineHarmonic Balancer Torque Specsfor 2003 Chevrolet Astro 4.3L V6 Vortec · RWDUnitslb-ftNm9 fastenersSeqComponentTorqueAngle—Cover Bolts14 lb-ft · 19 Nm——Crankshaft Pulley BoltCriticalOften TTY - check spec, may require impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL133 lb-ft · 180 Nm——Electrical Connector Bolts6 lb-ft · 8 Nm——Gasket BoltsCritical15 lb-ft · 20 Nm——Gasket Surface BoltsCriticalClean mating surfaces17 lb-ft · 23 Nm——Harmonic Balancer BoltCriticalOften TTY, may need impact | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL133 lb-ft · 180 Nm——Mounting BoltsCritical40 lb-ft · 54 Nm——Sensor Bolts8 lb-ft · 11 Nm——Sensor Mounting Bolts9 lb-ft · 12 Nm—📝 Suggest a correction to this torque spec