drivetrainDifferential Fluid Change Torque Specsfor 2003 GMC Sierra 1500 4.3L V6 Vortec · RWDUnitslb-ftNm10 fastenersSeqComponentTorqueAngle—Axle NutUse new cotter pin or stake nut184 lb-ft · 250 Nm——Cover BoltsRTV sealant25 lb-ft · 34 Nm——CV Bolts45 lb-ft · 61 Nm——CV Joint Bolts52 lb-ft · 71 Nm——Differential Cover Bolts26 lb-ft · 35 Nm——Drain PlugNew washer30 lb-ft · 41 Nm——Driveshaft Bolts63 lb-ft · 85 Nm——Driveshaft U-Joint StrapsTighten evenly15 lb-ft · 20 Nm——Fill Plug30 lb-ft · 41 Nm——Wheel Lug NutsTorque in star pattern103 lb-ft · 140 Nm—📝 Suggest a correction to this torque spec