engineTiming Chain Kit Torque Specsfor 2010 Kia Optima 2.4L I4 · FWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Camshaft Sprocket BoltCritical59 lb-ft · 80 Nm——Crankshaft Pulley BoltCritical133 lb-ft · 180 Nm——Timing Chain Guide Bolts9 lb-ft · 12 Nm——Timing Chain Tensioner BoltCritical18 lb-ft · 25 Nm——Timing Cover Bolts (8mm)18 lb-ft · 25 Nm——Valve Cover Bolts7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec