O2 Sensor - Upstream · ComponentHanger Boltsfor 2003 Audi A8 4.2L V8 · AWDUnitslb-ftNmTorque15lb-ft20 NmOther components in O2 Sensor - UpstreamFlange Bolts35 lb-ft · 47 NmHeat Shield Bolts10 lb-ft · 14 NmManifold Nuts25 lb-ft · 34 NmMounting Bolts20 lb-ft · 27 NmO2 Sensor35 lb-ft · 47 Nm📝 Suggest a correction to this torque spec