engineTiming Chain Tensioner Torque Specsfor 2012 Kia Optima 2.4L I4 · FWDUnitslb-ftNm4 fastenersSeqComponentTorqueAngle—Crankshaft Pulley BoltCritical133 lb-ft · 180 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