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 DIAGNOSISMAINTENANCEFLUIDSENGINE OILSPECIFICATIONSCAPACITY SPECIFICATIONS
1989 Pontiac Grand Prix V6-191 3.1L
Capacity Specifications
1989 Pontiac Grand Prix V6-191 3.1LSECTION Capacity Specifications
Cooling Capacity ( With or W /out A/C ) 12.5 qts
Radiator Cap Relief Pressure, PSI 15
Thermostat Opening Temperature 195°
Fuel Tank Gallons 16.0
Engine Oil Refill Quarts [3] 4
Manual Transaxle Pints 4.2
Automatic Transaxle Quarts [2] [4] 6
[2] Capacity approximate. Make final check with dipstick and add fluid as necessary.
[3] Additional oil may be required to bring oil level to full mark when changing oil filter.
[4] Drain and Refill
Radiator Cap Relief Pressure, PSI 15
Thermostat Opening Temperature 195°
Fuel Tank Gallons 16.0
Engine Oil Refill Quarts [3] 4
Manual Transaxle Pints 4.2
Automatic Transaxle Quarts [2] [4] 6
[2] Capacity approximate. Make final check with dipstick and add fluid as necessary.
[3] Additional oil may be required to bring oil level to full mark when changing oil filter.
[4] Drain and Refill
RENDER: 1.0x
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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.