Fluid · Engine Oil
Engine Oil
for 1975-1986 GMC C2500 4.8L I6 · 4WD
Fluid Type
10W-30 conventional
Spec: API SF
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
Capacity with filter change. 292 cubic inch inline-6
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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
Front Differential
3 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