Fluid · Rear Differential
Rear Differential
for 1973 Chevrolet Impala 454ci V8 · RWD
Fluid Type
80W-90 GL-5 gear oil
Spec: API GL-5
Capacity
4.25qt
4.02 L
Drain & Refill
4.25 qt
4.02 L
Change Interval
50,000 mi
80,450 km
Notes
Heavy-duty 12-bolt rear axle typical with 454. Limited slip requires friction modifier additive.
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