Downpipe · ComponentMounting Boltsfor 2004 Buick Century 3.1L V6 · FWDUnitslb-ftNmTorque20lb-ft27 NmOther components in DownpipeCover Screws8 lb-ft · 11 NmFlange Bolts35 lb-ft · 47 NmHanger Bolts15 lb-ft · 20 NmO2 Sensor35 lb-ft · 47 Nm📝 Suggest a correction to this torque spec