engineIntake Manifold Torque Specsfor 1997 GMC Sierra 2500 7.4L V8 454 · 4WDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle—Cover Bolts12 lb-ft · 16 Nm——Fuel Rail BoltsCritical⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL9 lb-ft · 12 Nm——Intake Manifold BoltsCriticalTighten in sequence from center out | ⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL18 lb-ft · 25 Nm——Mounting BoltsCritical35 lb-ft · 47 Nm——PCV ValveCritical⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL6 lb-ft · 8 Nm——Throttle Body BoltsCritical⚠️ VERIFY SEQUENCE WITH SERVICE MANUAL7 lb-ft · 10 Nm—📝 Suggest a correction to this torque spec