Fluid · Rear Differential
Rear Differential
for 1991 GMC Vandura 6.2L V8 Diesel · RWD
Fluid Type
80W-90 GL-5 gear oil
Spec: API GL-5
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
50,000 mi
80,450 km
Notes
Diesel vans often equipped with heavier-duty rear axle with slightly higher capacity
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.