exhaustDownpipe Torque Specsfor 1992 Buick Century 2.5L I4 · FWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Cover Screws8 lb-ft · 11 Nm——Flange BoltsCritical35 lb-ft · 47 Nm——Hanger Bolts15 lb-ft · 20 Nm——Mounting Bolts20 lb-ft · 27 Nm——O2 SensorCritical35 lb-ft · 47 Nm—📝 Suggest a correction to this torque spec