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 MANUALSINFINITI2002Q45 V8-4.5L (VK45DE)REPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSENGINESYSTEM SPECIFICATIONSCOOLANT
2002 Infiniti Q45 V8-4.5L (VK45DE)
Coolant
2002 Infiniti Q45 V8-4.5L (VK45DE)SECTION Coolant
Fill radiator and reservoir tank to specified level.
Use genuine Nissan anti-freeze coolant or equivalent mixed with water (distilled or demineralized).
Engine coolant capacity (With reservoir tank) Approximately 9.8L (10 - 3/8 US qt, 8 - 5/8 Imp qt)
Reservoir tank capacity: 0.8L (7/8 US qt, 3/4 Imp qt)
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.