engineTiming Chain Guide Torque Specsfor 2003 GMC Yukon 5.3L V8 Vortec · RWDUnitslb-ftNm8 fastenersSeqComponentTorqueAngle—Camshaft Sprocket Bolt69 lb-ft · 93 Nm——Crankshaft Pulley Bolt163 lb-ft · 220 Nm——Guide Bolts23 lb-ft · 31 Nm——Tensioner Bolt19 lb-ft · 25 Nm——Timing Chain Guide BoltsReplace if worn9 lb-ft · 12 Nm——Timing Cover Bolts13 lb-ft · 17 Nm——Timing Cover Bolts - 8mmTighten in sequence18 lb-ft · 25 Nm——Valve Cover BoltsTighten in sequence7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec