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1965 GMC 1500 SERIES
261ci I6•RWD•MANUAL•gas
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Repairs0Labor554Torque146Fluid7DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1965 GMC 1500 Series 261ci I6 · RWD
Fluid Type
10W-30 or 10W-40 conventional
Spec: API SD or SE
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km

Notes

With filter change. GMC 261 inline-6. Add 1 qt without filter

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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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