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 DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOOLING SYSTEMSYSTEM SPECIFICATIONS
2002 Infiniti Q45 V8-4.5L (VK45DE)
System Specifications
2002 Infiniti Q45 V8-4.5L (VK45DE)SECTION System Specifications
COOLING SYSTEM / TORQUE SPECIFICATIONS
| Cylinder block drain plug | 14.7 - 24.5 Nm |
| Radiator mounting bracket | 3.8 - 4.5 Nm |
| Radiator drain plug | 0.78 - 1.6 Nm |
| Radiator coolant temperature sensor | 4.9 - 9.8 Nm |
| Cooling fan shroud | 3.8 - 4.5 Nm |
| Fan | 7.8 - 11.8 Nm |
| Fan motor | 3.9 - 4.9 Nm |
| Cooling fan fluid cooler | 3.0 - 3.9 Nm |
| Water pump pulley | 7.2 - 9.2 Nm |
| Water pump | 24.5 - 31.4 Nm |
| Water inlet | 16.7 - 22.6 Nm |
| Thermostat housing | 16.7 - 22.6 Nm |
| Rear water outlet | 16.7 - 22.6 Nm |
| Water connector (Water control valve cover) | 16.7 - 22.6 Nm |
| Water suction pipe | 16.7 - 22.6 Nm |
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.