Fluid · Rear Differential
Rear Differential
for 1990 GMC Vandura 5.7L V8 · RWD
Fluid Type
80W-90 GL-5 or 75W-90 synthetic
Spec: API GL-5
Capacity
4.2qt
3.97 L
Drain & Refill
4.2 qt
3.97 L
Change Interval
50,000 mi
80,450 km
Notes
GM 10-bolt or 14-bolt rear axle depending on GVW. Add GM limited-slip additive (1052358) if equipped with posi.
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