engineTiming Chain Kit Torque Specsfor 2012 Mercedes-Benz ML550 W166 4.6L V8 BiTurbo M278 · AWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft adjuster center boltCritical74 lb-ft · 100 Nm——Camshaft bearing cap boltsCritical10 lb-ft · 14 Nm——Crankshaft pulley bolt (stretch, replace)Critical148 lb-ft · 200 Nm——Primary chain tensionerCritical52 lb-ft · 70 Nm——Timing chain guide boltsCritical9 lb-ft · 12 Nm—📝 Suggest a correction to this torque spec