maintenanceSpark Plug Service Torque Specsfor 2010 Buick Lucerne 4.6L V8 · FWDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Bracket Bolts19 lb-ft · 26 Nm——Connector Bolts6 lb-ft · 8 Nm——Cover Screws10 lb-ft · 14 Nm——Engine Cover Clips3 lb-ft · 3 Nm——Ignition Coil Bolt10 lb-ft · 14 Nm——Mounting Bolts25 lb-ft · 34 Nm——Sensor Bolts10 lb-ft · 14 Nm——Spark PlugCriticalGap before install19 lb-ft · 25 Nm—📝 Suggest a correction to this torque spec