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1977 GMC K1500
250ci I6•4WD•MANUAL•gas
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Repairs0Labor554Torque146Fluid9DTC0Battery1Maintenance0Recalls0
Fluid · Rear Differential

Rear Differential

for 1977 GMC K1500 250ci I6 · 4WD
Fluid Type
80W-90 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

10-bolt or 12-bolt rear axle. Add limited-slip additive if equipped with Positraction.

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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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