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1966 PONTIAC GTO
389ci V8 Tri-Power•RWD•gas
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Repairs0Labor471Torque138Fluid9DTC0Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1966 Pontiac GTO 389ci V8 Tri-Power · RWD
Fluid Type
80W-90 GL-5 gear oil
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

Notes

Safe-T-Track limited slip requires GM additive or limited-slip compatible oil

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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