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1965 GMC 2500 SERIES
261ci I6•RWD•MANUAL•gas
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Repairs0Labor460Torque132Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1965 GMC 2500 Series 261ci I6 · RWD
Fluid Type
SAE 30 or 10W-30 conventional
Spec: API SA/SB
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Data quality
Book-style estimate
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Notes

With filter change. GMC inline-6 engine; modern oils (SN/SP) acceptable with ZDDP additive for flat-tappet cam protection.

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Other fluid systems on this vehicle

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