engineTiming Chain Guide Torque Specsfor 2019 Buick Envision 2.5L I4 · AWDUnitslb-ftNm10 fastenersSeqComponentTorqueAngle—Camshaft Sprocket BoltCritical55 lb-ft · 75 Nm——Cover Bolts12 lb-ft · 16 Nm——Crankshaft Pulley BoltCritical130 lb-ft · 176 Nm——Electrical Connector Bolts5 lb-ft · 7 Nm——Gasket Surface BoltsCriticalClean mating surfaces15 lb-ft · 20 Nm——Guide BoltsCritical18 lb-ft · 24 Nm——Mounting BoltsCritical35 lb-ft · 47 Nm——Sensor Mounting Bolts8 lb-ft · 11 Nm——Tensioner BoltCritical15 lb-ft · 20 Nm——Timing Cover BoltsCritical10 lb-ft · 14 Nm—📝 Suggest a correction to this torque spec