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1978 OLDSMOBILE 88
350ci V8 Diesel•RWD•AUTOMATIC•diesel
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Repairs0Labor494Torque5Fluid8DTC0Battery1Maintenance0Recalls0
Fluid · Engine Oil

Engine Oil

for 1978 Oldsmobile 88 350ci V8 Diesel · RWD
Fluid Type
15W-40 or 30W diesel oil
Spec: API CD
Capacity
7qt
6.62 L
Drain & Refill
7 qt
6.62 L
Change Interval
3,000 mi
4,827 km

Notes

First-generation Oldsmobile 350 diesel; use diesel-rated oil only, filter capacity included

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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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