engineTiming Chain Tensioner Torque Specsfor 2012 Lexus IS 250 2.5L V6 · RWDUnitslb-ftNm3 fastenersSeqComponentTorqueAngle—Chain tensioner boltCritical80 lb-ft · 9 Nm——Timing chain cover 12mm head bolt18 lb-ft · 24 Nm——Timing chain cover 14mm head bolt32 lb-ft · 43 Nm—📝 Suggest a correction to this torque spec