ignitionSpark Plugs Torque Specsfor 2016 GMC Yukon 5.3L V8 · 4WDUnitslb-ftNm7 fastenersSeqComponentTorqueAngle—Cover Screws10 lb-ft · 14 Nm——Engine Cover Clips3 lb-ft · 3 Nm——Ignition Coil Bolt8 lb-ft · 11 Nm——Ignition Coil Bolts6 lb-ft · 8 Nm——Mounting Bolts25 lb-ft · 34 Nm——Spark PlugCriticalGap before install, anti-seize optional15 lb-ft · 20 Nm——Spark Plugs - Aluminum HeadCriticalApply anti-seize to threads15 lb-ft · 20 Nm—📝 Suggest a correction to this torque spec