O2 Sensor - Upstream · ComponentManifold Nutsfor 2009 Kia Optima 2.7L V6 · FWDUnitslb-ftNmTorque26lb-ft35 NmNotesApply anti-seizeOther components in O2 Sensor - UpstreamFlange Bolts37 lb-ft · 50 NmHanger Bolts16 lb-ft · 22 NmHeat Shield Bolts10 lb-ft · 14 NmMounting Bolts21 lb-ft · 28 NmO2 Sensor37 lb-ft · 50 Nm📝 Suggest a correction to this torque spec