drivetrain
Differential Fluid Change - Rear Torque Specs
for 2023 GMC Sierra 2500HD 6.6L V8 L8T · 4WD
7 fasteners
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Axle Nut
CriticalUse new cotter pin or stake nut
184 lb-ft · 250 Nm
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Driveshaft U-Joint Straps
CriticalTighten evenly
15 lb-ft · 20 Nm
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Wheel Lug Nuts
CriticalTorque in star pattern
103 lb-ft · 140 Nm
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