Fluid · Front Differential
Front Differential
for 1975-1986 GMC C2500 4.8L I6 · 4WD
Fluid Type
80W-90 GL-5 gear oil
Spec: API GL-5
Capacity
3qt
2.84 L
Drain & Refill
3 qt
2.84 L
Change Interval
30,000 mi
48,270 km
Notes
4WD models only. Dana 44 or GM 10-bolt front axle
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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
18 qt
Coolant
18 qt
Engine Oil
5 qt
Engine Oil
5 qt
Power Steering
2 qt
Power Steering
2 qt
Rear Differential
5.5 qt
Rear Differential
5.5 qt
Transfer Case
3 qt
Automatic Transmission
12 qt
Automatic Transmission
12 qt
Manual Transmission
3.5 qt
Manual Transmission
3.5 qt
Washer Fluid
3 qt
Washer Fluid
3 qt