Fluid · Front Differential
Front Differential
for 1991 GMC C1500 4.3L V6 · 4WD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
50,000 mi
80,450 km
Notes
4WD models only. Add limited-slip additive if equipped
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
0.5 qt
Brake Fluid
0.5 qt
Coolant
14 qt
Coolant
14 qt
Engine Oil
5 qt
Engine Oil
5 qt
Power Steering
1.2 qt
Power Steering
1.2 qt
Rear Differential
4.2 qt
Rear Differential
4.2 qt
Transfer Case
2.2 qt
Automatic Transmission
11 qt
Automatic Transmission
11 qt
Manual Transmission
3.5 qt
Manual Transmission
3.5 qt
Washer Fluid
4 qt
Washer Fluid
4 qt