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 MANUALSPONTIAC1989GRAND PRIX V6-191 3.1LREPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSMAINTENANCECRANKCASE
1989 Pontiac Grand Prix V6-191 3.1L
Crankcase
1989 Pontiac Grand Prix V6-191 3.1LSECTION Crankcase
TYPE SG, SH(Motor Oil, API Service SG, SH)
CAPACITY, Refill:
3.4L DOHC 4.7 Liters 5.0 Quarts
Others 3.8 Liters 4.0 Quarts
Capacity shown is without filter. When replacing filter, additional oil may be needed.
4-cyl. 2.0L Turbo:
Above 40°F (4°C) 30++
All temperatures 10W-30*
1988 V6 3.0L, 3.8L
1990 Sunbird Turbo, Grand Prix Turbo
1991 3.1L V6 Turbo, V6 3.3L, 3.8L
1992-94 V6 3.3L, 3.8L
Above 40°F (4°C) 30++
Above 0°F (-18°C) 10W-30*
Below 60°F (16°C) 5W-30
Others:
Above 40°F (4°C) 30++
Above 0°F (-18°C) 10W-30
All temperatures 5W-30*
*Preferred
++ Use only if other specified grade not available
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.