Fluid · Rear Differential
Rear Differential
for 1973 Pontiac Firebird Trans Am 455ci V8 Super Duty · RWD
Fluid Type
80W-90 GL-5 with limited-slip additive
Spec: API GL-5
Capacity
4.25qt
4.02 L
Drain & Refill
4.25 qt
4.02 L
Change Interval
36,000 mi
57,924 km
Data quality
Book-style estimate
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Notes
Safe-T-Track posi rear axle standard on SD. 12-bolt with 3.42 or higher gears typical.
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