exhaustFront Pipe Torque Specsfor 1990 GMC Sonoma 4.3L V6 Vortec · FWDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Flange BoltsCriticalApply anti-seize40 lb-ft · 54 Nm——Hanger Bolts17 lb-ft · 23 Nm——Heat Shield Bolts12 lb-ft · 16 Nm——Manifold NutsCriticalApply anti-seize29 lb-ft · 39 Nm——Mounting Bolts20 lb-ft · 27 Nm——O2 SensorCriticalApply anti-seize to threads40 lb-ft · 54 Nm—📝 Suggest a correction to this torque spec