Fluid · Rear Differential
Rear Differential
for 1967 Pontiac 2+2 421ci V8 · RWD
Fluid Type
80W-90 GL-5 or 85W-140 GL-5
Spec: API GL-5
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
30,000 mi
48,270 km
Notes
Safe-T-Track (limited slip) models require GM limited-slip additive or use modern GL-5 LS fluid
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