Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISMAINTENANCESPECIFICATIONSCRANKCASE
1990 Chevrolet Lumina APV V6-191 3.1L
Crankcase
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Crankcase
CAPACITY, Refill:
V6 3.1L 3.8 Liters 4.0 Quarts
Type SG
Capacity shown is without filter. When replacing filter, additional oil may be needed
Above 40°F (4°C) 30‡
Above 0°F (-18°C) 10W-30
All temperatures 5W-30*
*Preferred
‡Use only if other specified grades are unavailable
V6 3.1L 3.8 Liters 4.0 Quarts
Type SG
Capacity shown is without filter. When replacing filter, additional oil may be needed
Above 40°F (4°C) 30‡
Above 0°F (-18°C) 10W-30
All temperatures 5W-30*
*Preferred
‡Use only if other specified grades are unavailable
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.