Fluid · Rear Differential
Rear Differential
for 1955 GMC 100 Series 228ci I6 · RWD
Fluid Type
SAE 90 or 80W-90 gear oil
Spec: GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
12,000 mi
19,308 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
Capacity varies by axle ratio; fill to bottom of fill plug
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