Fluid · Rear Differential
Rear Differential
for 1957 Buick Super 364ci V8 · RWD
Fluid Type
SAE 90 GL-1 or 80W-90 GL-4
Spec: GL-1 or GL-4
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
30,000 mi
48,270 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Hypoid rear axle; avoid GL-5 with high EP additives on older brass synchronizers
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