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1971 GMC K1500
396ci V8•4WD•AUTOMATIC•gas
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Repairs0Labor558Torque153Fluid9DTC0Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1971 GMC K1500 396ci V8 · 4WD
Fluid Type
80W-90 GL-5 gear oil
Spec: GL-5
Capacity
4qt
3.78 L
Drain & Refill
4 qt
3.78 L
Change Interval
30,000 mi
48,270 km

Notes

GM 12-bolt full-float rear axle typical with big block. Add limited-slip additive if equipped.

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Other fluid systems on this vehicle

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