O2 Sensor - Downstream · ComponentHanger Boltsfor 2007 Buick Lucerne 3.8L V6 · FWDUnitslb-ftNmTorque17lb-ft23 NmOther components in O2 Sensor - DownstreamFlange Bolts40 lb-ft · 54 NmHeat Shield Bolts12 lb-ft · 16 NmManifold Nuts29 lb-ft · 39 NmMounting Bolts23 lb-ft · 31 NmO2 Sensor40 lb-ft · 54 Nm📝 Suggest a correction to this torque spec