Fluid · Rear Differential
Rear Differential
for 2003 GMC Sierra 3500 6.6L V8 Diesel · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: API GL-5
Capacity
4.2qt
3.97 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
50,000 mi
80,450 km
Notes
AAM 10.5" or 11.5" full-float rear axle. Add limited-slip additive if equipped
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1 qt
Brake Fluid
1 qt
Coolant
28 qt
Coolant
28 qt
Engine Oil
10 qt
Engine Oil
10 qt
Front Differential
3.5 qt
Power Steering
2 qt
Power Steering
2 qt
Transfer Case
4 qt
Automatic Transmission
26 qt
Automatic Transmission
26 qt
Manual Transmission
4.2 qt
Manual Transmission
4.2 qt
Washer Fluid
4 qt
Washer Fluid
4 qt