Fluid · Engine Oil
Engine Oil
for 1975-1986 GMC K2500 4.8L I6 · 4WD
Fluid Type
10W-30 or 10W-40 conventional
Spec: API SF or SG
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
292 inline-6 engine, capacity with filter replacement
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1.2 qt
Brake Fluid
1.2 qt
Coolant
16 qt
Coolant
16 qt
Front Differential
3.8 qt
Power Steering
1.5 qt
Power Steering
1.5 qt
Rear Differential
5.5 qt
Rear Differential
5.5 qt
Transfer Case
3 qt
Automatic Transmission
11 qt
Automatic Transmission
11 qt
Manual Transmission
3.5 qt
Manual Transmission
3.5 qt
Washer Fluid
3 qt
Washer Fluid
3 qt