engineIntake Manifold Torque Specsfor 2000 GMC Yukon XL 5.3L V8 Vortec · 4WDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Cover Bolts15 lb-ft · 20 Nm——Fuel Rail BoltsCritical19 lb-ft · 25 Nm——Intake Manifold BoltsCriticalPlastic: 44 lb-in first pass, 89 lb-in final pass. Spiral sequence.7.4 lb-ft · 10 Nm——Mounting BoltsCritical44 lb-ft · 59 Nm——Throttle Body BoltsCritical13 lb-ft · 17 Nm—📝 Suggest a correction to this torque spec