engineIntake Manifold Torque Specsfor 2012 GMC Sierra 1500 5.3L V8 · RWDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Cover Bolts15 lb-ft · 20 Nm——Fuel Rail Bolts⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL9 lb-ft · 12 Nm——Intake Manifold BoltsStep 1: 44 in-lbs. Step 2: 89 in-lbs. Plastic manifold.89 lb-ft · 10 Nm——Mounting Bolts44 lb-ft · 59 Nm——PCV Valve⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL6 lb-ft · 8 Nm——Throttle Body Bolts⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec