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 SPECIFICATIONSFUEL INJECTOR
2002 Infiniti Q45 V8-4.5L (VK45DE)
Fuel Injector
2002 Infiniti Q45 V8-4.5L (VK45DE)SECTION Fuel Injector
FUEL INJECTOR AND FUEL TUBE:
NOTE: Tighten fuel tube assembly mounting bolts "a" to "c" in illustration and in two steps.
FUEL TUBE MOUNTING BOLTS:
1st Step: 9.3 - 10.8 Nm (0.95 - 1.1 kg-m, 6.2 - 7.9 ft. lbs.)
2nd Step: 20.6 - 26.5 Nm (2.1 - 2.7 kg-m, 16 - 19 ft. lbs.)
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.