Fluid · Rear Differential
Rear Differential
for 1973 Pontiac Firebird 400ci V8 · RWD
Fluid Type
80W-90 or 85W-90 GL-5
Spec: API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
36,000 mi
57,924 km
Notes
10-bolt or 12-bolt rear axle depending on ratio. Add limited-slip additive if Posi-Traction equipped
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