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1990 GMC SUBURBAN
7.4L V8•RWD•gas•L19
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor1122Torque282Fluid18DTC0Battery0Maintenance0Recalls2
Fluid · Front Differential

Front Differential

for 1990 GMC Suburban 7.4L V8 · RWD
Fluid Type
80W-90 GL-5
Spec: API GL-5
Capacity
3.5qt
3.31 L
Drain & Refill
3.5 qt
3.31 L
Change Interval
50,000 mi
80,450 km

Notes

4WD models only. Add limited-slip additive if G80 locker equipped.

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Other fluid systems on this vehicle

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🔧 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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